1012102100121 has 8 divisors (see below), whose sum is σ = 1542250819264. Its totient is φ = 578344057200.

The previous prime is 1012102100029. The next prime is 1012102100201. The reversal of 1012102100121 is 1210012012101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012102100121 - 2²² = 1012097905817 is a prime.

It is a super-2 number, since 2×1012102100121² (a number of 25 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 = 1012102100097 and 1012102100106.

It is not an unprimeable number, because it can be changed into a prime (1012102140121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24097669030 + ... + 24097669071.

It is an arithmetic number, because the mean of its divisors is an integer number (192781352408).

Almost surely, 2^{1012102100121} is an apocalyptic number.

It is an amenable number.

1012102100121 is a deficient number, since it is larger than the sum of its proper divisors (530148719143).

1012102100121 is an equidigital number, since it uses as much as digits as its factorization.

1012102100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48195338111.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012102100121 its reverse (1210012012101), we get a palindrome (2222114112222).

The spelling of 1012102100121 in words is "one trillion, twelve billion, one hundred two million, one hundred thousand, one hundred twenty-one".