101102121201021 has 16 divisors (see below), whose sum is σ = 135356479264704. Its totient is φ = 67125073872384.

The previous prime is 101102121201013. The next prime is 101102121201047. The reversal of 101102121201021 is 120102121201101.

It is a happy number.

It is not a de Polignac number, because 101102121201021 - 2³ = 101102121201013 is a prime.

It is a super-2 number, since 2×101102121201021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102120201021) 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, 59820586 + ... + 61487451.

It is an arithmetic number, because the mean of its divisors is an integer number (8459779954044).

Almost surely, 2^{101102121201021} is an apocalyptic number.

It is an amenable number.

101102121201021 is a deficient number, since it is larger than the sum of its proper divisors (34254358063683).

101102121201021 is a wasteful number, since it uses less digits than its factorization.

101102121201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121309180.

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

Adding to 101102121201021 its reverse (120102121201101), we get a palindrome (221204242402122).

The spelling of 101102121201021 in words is "one hundred one trillion, one hundred two billion, one hundred twenty-one million, two hundred one thousand, twenty-one".