11011210021100 has 72 divisors (see below), whose sum is σ = 23972806402608. Its totient is φ = 4390021152000.

The previous prime is 11011210021069. The next prime is 11011210021103. The reversal of 11011210021100 is 112001211011.

It is a super-2 number, since 2×11011210021100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11011210021103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313844159 + ... + 313879241.

Almost surely, 2^{11011210021100} is an apocalyptic number.

11011210021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011210021100 is an abundant number, since it is smaller than the sum of its proper divisors (12961596381508).

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

11011210021100 is a wasteful number, since it uses less digits than its factorization.

11011210021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45315 (or 45308 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11011210021100 its reverse (112001211011), we get a palindrome (11123211232111).

The spelling of 11011210021100 in words is "eleven trillion, eleven billion, two hundred ten million, twenty-one thousand, one hundred".