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11200212001020 = 223571737103411613
BaseRepresentation
bin1010001011111100000010…
…1010000110000011111100
31110122201201000212010112110
42202333000222012003330
52432001013233013040
635453150101334020
72234121460130160
oct242770052060374
943581630763473
1011200212001020
113628a8a75a669
12130a814407310
1363323863cb03
142aa143880ca0
15146523558980
hexa2fc0a860fc

11200212001020 has 384 divisors, whose sum is σ = 39353090789376. Its totient is φ = 2321570709504.

The previous prime is 11200212001009. The next prime is 11200212001031. The reversal of 11200212001020 is 2010021200211.

It is an interprime number because it is at equal distance from previous prime (11200212001009) and next prime (11200212001031).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11200212000987 and 11200212001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27004734 + ... + 27416346.

It is an arithmetic number, because the mean of its divisors is an integer number (102482007264).

Almost surely, 211200212001020 is an apocalyptic number.

11200212001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11200212001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19676545394688).

11200212001020 is an abundant number, since it is smaller than the sum of its proper divisors (28152878788356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11200212001020 is a wasteful number, since it uses less digits than its factorization.

11200212001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411789 (or 411787 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11200212001020 its reverse (2010021200211), we get a palindrome (13210233201231).

The spelling of 11200212001020 in words is "eleven trillion, two hundred billion, two hundred twelve million, one thousand, twenty".