111012201002021 has 16 divisors (see below), whose sum is σ = 127478493268800. Its totient is φ = 95608318377600.

The previous prime is 111012201001991. The next prime is 111012201002047. The reversal of 111012201002021 is 120200102210111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012201002021 is a prime.

It is a super-2 number, since 2×111012201002021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012201001987 and 111012201002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012201002221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110277515 + ... + 111279623.

It is an arithmetic number, because the mean of its divisors is an integer number (7967405829300).

Almost surely, 2^{111012201002021} is an apocalyptic number.

111012201002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111012201002021 is a deficient number, since it is larger than the sum of its proper divisors (16466292266779).

111012201002021 is a wasteful number, since it uses less digits than its factorization.

111012201002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532180.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111012201002021 its reverse (120200102210111), we get a palindrome (231212303212132).

The spelling of 111012201002021 in words is "one hundred eleven trillion, twelve billion, two hundred one million, two thousand, twenty-one".