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1102111010220 = 22351137155928949
BaseRepresentation
bin10000000010011010111…
…011110110110110101100
310220100202000022012100110
4100002122323312312230
5121024110404311340
62202145223500020
7142424224006203
oct20023273666654
93810660265313
101102111010220
11395447a2a240
1215971a8b7610
137cc0c24c74c
143b4b19bc23a
151da05e90680
hex1009aef6dac

1102111010220 has 192 divisors, whose sum is σ = 3459770496000. Its totient is φ = 259781667840.

The previous prime is 1102111010131. The next prime is 1102111010243. The reversal of 1102111010220 is 220101112011.

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 = 1102111010196 and 1102111010205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38056306 + ... + 38085254.

It is an arithmetic number, because the mean of its divisors is an integer number (18019638000).

Almost surely, 21102111010220 is an apocalyptic number.

1102111010220 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 1102111010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729885248000).

1102111010220 is an abundant number, since it is smaller than the sum of its proper divisors (2357659485780).

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

1102111010220 is a wasteful number, since it uses less digits than its factorization.

1102111010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30568 (or 30566 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1102111010220 its reverse (220101112011), we get a palindrome (1322212122231).

The spelling of 1102111010220 in words is "one trillion, one hundred two billion, one hundred eleven million, ten thousand, two hundred twenty".