10122021100121 has 16 divisors (see below), whose sum is σ = 11969813750400. Its totient is φ = 8374820471808.

The previous prime is 10122021100109. The next prime is 10122021100133. The reversal of 10122021100121 is 12100112022101.

It is an interprime number because it is at equal distance from previous prime (10122021100109) and next prime (10122021100133).

It is not a de Polignac number, because 10122021100121 - 2⁶ = 10122021100057 is a prime.

It is a super-2 number, since 2×10122021100121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122021100096 and 10122021100105.

It is not an unprimeable number, because it can be changed into a prime (10122021100921) 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, 5183240 + ... + 6863673.

It is an arithmetic number, because the mean of its divisors is an integer number (748113359400).

Almost surely, 2^{10122021100121} is an apocalyptic number.

It is an amenable number.

10122021100121 is a deficient number, since it is larger than the sum of its proper divisors (1847792650279).

10122021100121 is a wasteful number, since it uses less digits than its factorization.

10122021100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051088.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10122021100121 its reverse (12100112022101), we get a palindrome (22222133122222).

The spelling of 10122021100121 in words is "ten trillion, one hundred twenty-two billion, twenty-one million, one hundred thousand, one hundred twenty-one".