210222002020122 has 48 divisors (see below), whose sum is σ = 471193785153000. Its totient is φ = 67656716854272.

The previous prime is 210222002020117. The next prime is 210222002020153. The reversal of 210222002020122 is 221020200222012.

It can be written as a sum of positive squares in 4 ways, for example, as 185795682614721 + 24426319405401 = 13630689^2 + 4942299^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210222002020095 and 210222002020104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35352654 + ... + 40868742.

Almost surely, 2^{210222002020122} is an apocalyptic number.

210222002020122 is an abundant number, since it is smaller than the sum of its proper divisors (260971783132878).

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

210222002020122 is a wasteful number, since it uses less digits than its factorization.

210222002020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589135 (or 5589132 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210222002020122 its reverse (221020200222012), we get a palindrome (431242202242134).

The spelling of 210222002020122 in words is "two hundred ten trillion, two hundred twenty-two billion, two million, twenty thousand, one hundred twenty-two".