111202002022021 has 8 divisors (see below), whose sum is σ = 112958777097504. Its totient is φ = 109448081173200.

The previous prime is 111202002021973. The next prime is 111202002022039. The reversal of 111202002022021 is 120220200202111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111202002022021 - 2¹⁷ = 111202001890949 is a prime.

It is a super-3 number, since 3×111202002022021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111202002021986 and 111202002022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202002026021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713478130 + ... + 713633971.

It is an arithmetic number, because the mean of its divisors is an integer number (14119847137188).

Almost surely, 2^{111202002022021} is an apocalyptic number.

It is an amenable number.

111202002022021 is a deficient number, since it is larger than the sum of its proper divisors (1756775075483).

111202002022021 is a wasteful number, since it uses less digits than its factorization.

111202002022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427113331.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111202002022021 its reverse (120220200202111), we get a palindrome (231422202224132).

The spelling of 111202002022021 in words is "one hundred eleven trillion, two hundred two billion, two million, twenty-two thousand, twenty-one".