220111201002121 has 8 divisors (see below), whose sum is σ = 258592180198464. Its totient is φ = 184708700141520.

The previous prime is 220111201002113. The next prime is 220111201002137. The reversal of 220111201002121 is 121200102111022.

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 220111201002121 - 2³ = 220111201002113 is a prime.

It is a super-2 number, since 2×220111201002121² (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 = 220111201002095 and 220111201002104.

It is not an unprimeable number, because it can be changed into a prime (220111201000121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769619583781 + ... + 769619584066.

It is an arithmetic number, because the mean of its divisors is an integer number (32324022524808).

Almost surely, 2^{220111201002121} is an apocalyptic number.

It is an amenable number.

220111201002121 is a deficient number, since it is larger than the sum of its proper divisors (38480979196343).

220111201002121 is a wasteful number, since it uses less digits than its factorization.

220111201002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539239167871.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111201002121 its reverse (121200102111022), we get a palindrome (341311303113143).

The spelling of 220111201002121 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred one million, two thousand, one hundred twenty-one".