211121123010 has 64 divisors (see below), whose sum is σ = 579647308032. Its totient is φ = 48208571136.

The previous prime is 211121122999. The next prime is 211121123039. The reversal of 211121123010 is 10321121112.

211121123010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283489 + ... + 708948.

It is an arithmetic number, because the mean of its divisors is an integer number (9056989188).

Almost surely, 2^211121123010 is an apocalyptic number.

211121123010 is an abundant number, since it is smaller than the sum of its proper divisors (368526185022).

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

211121123010 is a wasteful number, since it uses less digits than its factorization.

211121123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993467.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211121123010 its reverse (10321121112), we get a palindrome (221442244122).

The spelling of 211121123010 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred twenty-three thousand, ten".