101023121311 has 16 divisors (see below), whose sum is σ = 117984936960. Its totient is φ = 84696086880.

The previous prime is 101023121291. The next prime is 101023121321. The reversal of 101023121311 is 113121320101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101023121311 - 2¹³ = 101023113119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023121321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437821 + ... + 627481.

It is an arithmetic number, because the mean of its divisors is an integer number (7374058560).

Almost surely, 2^101023121311 is an apocalyptic number.

101023121311 is a deficient number, since it is larger than the sum of its proper divisors (16961815649).

101023121311 is a wasteful number, since it uses less digits than its factorization.

101023121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191334.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101023121311 its reverse (113121320101), we get a palindrome (214144441412).

The spelling of 101023121311 in words is "one hundred one billion, twenty-three million, one hundred twenty-one thousand, three hundred eleven".