102021222222002 has 8 divisors (see below), whose sum is σ = 153032083498476. Its totient is φ = 51010527722512.

The previous prime is 102021222221909. The next prime is 102021222222013. The reversal of 102021222222002 is 200222222120201.

It can be written as a sum of positive squares in 2 ways, for example, as 83797382036281 + 18223840185721 = 9154091^2 + 4268939^2 .

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

It is a super-2 number, since 2×102021222222002² (a number of 29 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, 40153553 + ... + 42618660.

Almost surely, 2^{102021222222002} is an apocalyptic number.

102021222222002 is a deficient number, since it is larger than the sum of its proper divisors (51010861276474).

102021222222002 is an equidigital number, since it uses as much as digits as its factorization.

102021222222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83388492.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102021222222002 its reverse (200222222120201), we get a palindrome (302243444342203).

The spelling of 102021222222002 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two".