121010312101 has 16 divisors (see below), whose sum is σ = 148914564480. Its totient is φ = 95967152640.

The previous prime is 121010312099. The next prime is 121010312113. The reversal of 121010312101 is 101213010121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121010312101 - 2¹ = 121010312099 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 (121010312131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8610720 + ... + 8624761.

It is an arithmetic number, because the mean of its divisors is an integer number (9307160280).

Almost surely, 2^121010312101 is an apocalyptic number.

It is an amenable number.

121010312101 is a deficient number, since it is larger than the sum of its proper divisors (27904252379).

121010312101 is a wasteful number, since it uses less digits than its factorization.

121010312101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235564.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121010312101 its reverse (101213010121), we get a palindrome (222223322222).

The spelling of 121010312101 in words is "one hundred twenty-one billion, ten million, three hundred twelve thousand, one hundred one".