101121021010101 has 16 divisors (see below), whose sum is σ = 139477533220800. Its totient is φ = 65089270165248.

The previous prime is 101121021010081. The next prime is 101121021010153. The reversal of 101121021010101 is 101010120121101.

It is not a de Polignac number, because 101121021010101 - 2¹¹ = 101121021008053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121021110101) 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, 77845405 + ... + 79133741.

It is an arithmetic number, because the mean of its divisors is an integer number (8717345826300).

Almost surely, 2^{101121021010101} is an apocalyptic number.

It is an amenable number.

101121021010101 is a deficient number, since it is larger than the sum of its proper divisors (38356512210699).

101121021010101 is a wasteful number, since it uses less digits than its factorization.

101121021010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190548.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101121021010101 its reverse (101010120121101), we get a palindrome (202131141131202).

The spelling of 101121021010101 in words is "one hundred one trillion, one hundred twenty-one billion, twenty-one million, ten thousand, one hundred one".