211121011210202 has 16 divisors (see below), whose sum is σ = 334843803490560. Its totient is φ = 99556237994112.

The previous prime is 211121011210157. The next prime is 211121011210243. The reversal of 211121011210202 is 202012110121112.

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, 12456978263 + ... + 12456995210.

It is an arithmetic number, because the mean of its divisors is an integer number (20927737718160).

Almost surely, 2^{211121011210202} is an apocalyptic number.

211121011210202 is a deficient number, since it is larger than the sum of its proper divisors (123722792280358).

211121011210202 is a wasteful number, since it uses less digits than its factorization.

211121011210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24913973717.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211121011210202 its reverse (202012110121112), we get a palindrome (413133121331314).

The spelling of 211121011210202 in words is "two hundred eleven trillion, one hundred twenty-one billion, eleven million, two hundred ten thousand, two hundred two".