1021121002202 has 32 divisors (see below), whose sum is σ = 1855749087360. Its totient is φ = 411372794880.

The previous prime is 1021121002169. The next prime is 1021121002243. The reversal of 1021121002202 is 2022001211201.

It is a super-2 number, since 2×1021121002202² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452127 + ... + 2838162.

It is an arithmetic number, because the mean of its divisors is an integer number (57992158980).

Almost surely, 2^{1021121002202} is an apocalyptic number.

1021121002202 is a deficient number, since it is larger than the sum of its proper divisors (834628085158).

1021121002202 is a wasteful number, since it uses less digits than its factorization.

1021121002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291126.

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

Adding to 1021121002202 its reverse (2022001211201), we get a palindrome (3043122213403).

The spelling of 1021121002202 in words is "one trillion, twenty-one billion, one hundred twenty-one million, two thousand, two hundred two".