1021102221022 has 8 divisors (see below), whose sum is σ = 1649472818616. Its totient is φ = 471277948152.

The previous prime is 1021102221011. The next prime is 1021102221031. The reversal of 1021102221022 is 2201222011201.

It is a happy number.

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

It is a super-2 number, since 2×1021102221022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021102220987 and 1021102221005.

It is a congruent number.

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, 19636581148 + ... + 19636581199.

It is an arithmetic number, because the mean of its divisors is an integer number (206184102327).

Almost surely, 2^{1021102221022} is an apocalyptic number.

1021102221022 is a deficient number, since it is larger than the sum of its proper divisors (628370597594).

1021102221022 is a wasteful number, since it uses less digits than its factorization.

1021102221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273162362.

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

Adding to 1021102221022 its reverse (2201222011201), we get a palindrome (3222324232223).

The spelling of 1021102221022 in words is "one trillion, twenty-one billion, one hundred two million, two hundred twenty-one thousand, twenty-two".