2122015016121 has 64 divisors (see below), whose sum is σ = 4022314039296. Its totient is φ = 957693772800.

The previous prime is 2122015016113. The next prime is 2122015016137. The reversal of 2122015016121 is 1216105102212.

It is a happy number.

It is not a de Polignac number, because 2122015016121 - 2³ = 2122015016113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122015016091 and 2122015016100.

It is not an unprimeable number, because it can be changed into a prime (2122015016101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20732235 + ... + 20834336.

It is an arithmetic number, because the mean of its divisors is an integer number (62848656864).

Almost surely, 2^{2122015016121} is an apocalyptic number.

2122015016121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2122015016121 is a deficient number, since it is larger than the sum of its proper divisors (1900299023175).

2122015016121 is a wasteful number, since it uses less digits than its factorization.

2122015016121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41566622.

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 2122015016121 in words is "two trillion, one hundred twenty-two billion, fifteen million, sixteen thousand, one hundred twenty-one".