221002001102120 has 32 divisors (see below), whose sum is σ = 568290859977600. Its totient is φ = 75772114663488.

The previous prime is 221002001102023. The next prime is 221002001102137. The reversal of 221002001102120 is 21201100200122.

It is a super-2 number, since 2×221002001102120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 221002001102095 and 221002001102104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394646430260 + ... + 394646430819.

It is an arithmetic number, because the mean of its divisors is an integer number (17759089374300).

Almost surely, 2^{221002001102120} is an apocalyptic number.

221002001102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002001102120 is an abundant number, since it is smaller than the sum of its proper divisors (347288858875480).

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

221002001102120 is a wasteful number, since it uses less digits than its factorization.

221002001102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789292861097 (or 789292861093 counting only the distinct ones).

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

Adding to 221002001102120 its reverse (21201100200122), we get a palindrome (242203101302242).

The spelling of 221002001102120 in words is "two hundred twenty-one trillion, two billion, one million, one hundred two thousand, one hundred twenty".