1210212102211 has 16 divisors (see below), whose sum is σ = 1413829785600. Its totient is φ = 1014459176448.

The previous prime is 1210212102193. The next prime is 1210212102233. The reversal of 1210212102211 is 1122012120121.

It is a cyclic number.

It is not a de Polignac number, because 1210212102211 - 2⁷ = 1210212102083 is a prime.

It is a super-2 number, since 2×1210212102211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210212102311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7511731 + ... + 7671148.

It is an arithmetic number, because the mean of its divisors is an integer number (88364361600).

Almost surely, 2^{1210212102211} is an apocalyptic number.

1210212102211 is a deficient number, since it is larger than the sum of its proper divisors (203617683389).

1210212102211 is a wasteful number, since it uses less digits than its factorization.

1210212102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183138.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1210212102211 its reverse (1122012120121), we get a palindrome (2332224222332).

The spelling of 1210212102211 in words is "one trillion, two hundred ten billion, two hundred twelve million, one hundred two thousand, two hundred eleven".