1210211221202 has 16 divisors (see below), whose sum is σ = 1816651577952. Its totient is φ = 604660821120.

The previous prime is 1210211221187. The next prime is 1210211221231. The reversal of 1210211221202 is 2021221120121.

It is a super-2 number, since 2×1210211221202² (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 7 ways as a sum of consecutive naturals, for example, 21947138 + ... + 22002210.

It is an arithmetic number, because the mean of its divisors is an integer number (113540723622).

Almost surely, 2^{1210211221202} is an apocalyptic number.

1210211221202 is a deficient number, since it is larger than the sum of its proper divisors (606440356750).

1210211221202 is a wasteful number, since it uses less digits than its factorization.

1210211221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62953.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210211221202 its reverse (2021221120121), we get a palindrome (3231432341323).

The spelling of 1210211221202 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, two hundred two".