101021010121211 has 32 divisors (see below), whose sum is σ = 107950195031040. Its totient is φ = 94326636096000.

The previous prime is 101021010121201. The next prime is 101021010121217. The reversal of 101021010121211 is 112121010120101.

It is a de Polignac number, because none of the positive numbers 2^k-101021010121211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101021010121217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555821831 + ... + 556003551.

It is an arithmetic number, because the mean of its divisors is an integer number (3373443594720).

Almost surely, 2^{101021010121211} is an apocalyptic number.

101021010121211 is a deficient number, since it is larger than the sum of its proper divisors (6929184909829).

101021010121211 is a wasteful number, since it uses less digits than its factorization.

101021010121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184667.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101021010121211 its reverse (112121010120101), we get a palindrome (213142020241312).

The spelling of 101021010121211 in words is "one hundred one trillion, twenty-one billion, ten million, one hundred twenty-one thousand, two hundred eleven".