211011111020010 has 96 divisors (see below), whose sum is σ = 590687952256512. Its totient is φ = 48101805037440.

The previous prime is 211011111019979. The next prime is 211011111020057. The reversal of 211011111020010 is 10020111110112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191871226 + ... + 192967845.

It is an arithmetic number, because the mean of its divisors is an integer number (6152999502672).

Almost surely, 2^{211011111020010} is an apocalyptic number.

211011111020010 is an abundant number, since it is smaller than the sum of its proper divisors (379676841236502).

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

211011111020010 is a wasteful number, since it uses less digits than its factorization.

211011111020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384839468 (or 384839461 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211011111020010 its reverse (10020111110112), we get a palindrome (221031222130122).

The spelling of 211011111020010 in words is "two hundred eleven trillion, eleven billion, one hundred eleven million, twenty thousand, ten".