211121020022010 has 32 divisors (see below), whose sum is σ = 579074797775232. Its totient is φ = 48256233147840.

The previous prime is 211121020022009. The next prime is 211121020022039. The reversal of 211121020022010 is 10220020121112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502669095081 + ... + 502669095500.

It is an arithmetic number, because the mean of its divisors is an integer number (18096087430476).

Almost surely, 2^{211121020022010} is an apocalyptic number.

211121020022010 is an abundant number, since it is smaller than the sum of its proper divisors (367953777753222).

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

211121020022010 is a wasteful number, since it uses less digits than its factorization.

211121020022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005338190598.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211121020022010 its reverse (10220020121112), we get a palindrome (221341040143122).

The spelling of 211121020022010 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty million, twenty-two thousand, ten".