211211221012202 has 64 divisors (see below), whose sum is σ = 346860608569344. Its totient is φ = 96024422142720.

The previous prime is 211211221012163. The next prime is 211211221012237. The reversal of 211211221012202 is 202210122112112.

It is a super-2 number, since 2×211211221012202² (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 31 ways as a sum of consecutive naturals, for example, 5634834953 + ... + 5634872435.

It is an arithmetic number, because the mean of its divisors is an integer number (5419697008896).

Almost surely, 2^{211211221012202} is an apocalyptic number.

211211221012202 is a deficient number, since it is larger than the sum of its proper divisors (135649387557142).

211211221012202 is a wasteful number, since it uses less digits than its factorization.

211211221012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46443.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211211221012202 its reverse (202210122112112), we get a palindrome (413421343124314).

The spelling of 211211221012202 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-one million, twelve thousand, two hundred two".