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11021202102020 = 225117131710972029
BaseRepresentation
bin1010000001100001001011…
…0101100001011100000100
31110000121122112011001112012
42200120102311201130010
52421032410214231040
635235023110113352
72215153443111665
oct240302265413404
943017575131465
1011021202102020
11356a07a29aa80
12129bb9634b858
1361c3aab7ab56
142a160137736c
15141a47c28865
hexa0612d61704

11021202102020 has 192 divisors, whose sum is σ = 25721040360960. Its totient is φ = 3933268684800.

The previous prime is 11021202102007. The next prime is 11021202102023. The reversal of 11021202102020 is 2020120212011.

It is a junction number, because it is equal to n+sod(n) for n = 11021202101986 and 11021202102004.

It is not an unprimeable number, because it can be changed into a prime (11021202102023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5431838366 + ... + 5431840394.

It is an arithmetic number, because the mean of its divisors is an integer number (133963751880).

Almost surely, 211021202102020 is an apocalyptic number.

11021202102020 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 11021202102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12860520180480).

11021202102020 is an abundant number, since it is smaller than the sum of its proper divisors (14699838258940).

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

11021202102020 is a wasteful number, since it uses less digits than its factorization.

11021202102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11021202102020 its reverse (2020120212011), we get a palindrome (13041322314031).

The spelling of 11021202102020 in words is "eleven trillion, twenty-one billion, two hundred two million, one hundred two thousand, twenty".