101022120101211 has 32 divisors (see below), whose sum is σ = 149007722999808. Its totient is φ = 60656926619520.

The previous prime is 101022120101197. The next prime is 101022120101249. The reversal of 101022120101211 is 112101021220101.

It is a happy number.

It is not a de Polignac number, because 101022120101211 - 2⁷ = 101022120101083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101022120101261) 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, 638146096 + ... + 638304381.

It is an arithmetic number, because the mean of its divisors is an integer number (4656491343744).

Almost surely, 2^{101022120101211} is an apocalyptic number.

101022120101211 is a deficient number, since it is larger than the sum of its proper divisors (47985602898597).

101022120101211 is a wasteful number, since it uses less digits than its factorization.

101022120101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276450571.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101022120101211 its reverse (112101021220101), we get a palindrome (213123141321312).

The spelling of 101022120101211 in words is "one hundred one trillion, twenty-two billion, one hundred twenty million, one hundred one thousand, two hundred eleven".