1021021102202 has 8 divisors (see below), whose sum is σ = 1531539472800. Its totient is φ = 510507944604.

The previous prime is 1021021102169. The next prime is 1021021102223. The reversal of 1021021102202 is 2022011201201.

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

It is a super-2 number, since 2×1021021102202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769952 + ... + 1623227.

It is an arithmetic number, because the mean of its divisors is an integer number (191442434100).

Almost surely, 2^{1021021102202} is an apocalyptic number.

1021021102202 is a deficient number, since it is larger than the sum of its proper divisors (510518370598).

1021021102202 is a wasteful number, since it uses less digits than its factorization.

1021021102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606500.

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

Adding to 1021021102202 its reverse (2022011201201), we get a palindrome (3043032303403).

The spelling of 1021021102202 in words is "one trillion, twenty-one billion, twenty-one million, one hundred two thousand, two hundred two".