2100102101121 has 32 divisors (see below), whose sum is σ = 3034507639680. Its totient is φ = 1286766480384.

The previous prime is 2100102101107. The next prime is 2100102101131. The reversal of 2100102101121 is 1211012010012.

It is not a de Polignac number, because 2100102101121 - 2¹⁵ = 2100102068353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100102101097 and 2100102101106.

It is not an unprimeable number, because it can be changed into a prime (2100102101101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9480495 + ... + 9699483.

It is an arithmetic number, because the mean of its divisors is an integer number (94828363740).

Almost surely, 2^{2100102101121} is an apocalyptic number.

It is an amenable number.

2100102101121 is a deficient number, since it is larger than the sum of its proper divisors (934405538559).

2100102101121 is a wasteful number, since it uses less digits than its factorization.

2100102101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223425.

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

Adding to 2100102101121 its reverse (1211012010012), we get a palindrome (3311114111133).

The spelling of 2100102101121 in words is "two trillion, one hundred billion, one hundred two million, one hundred one thousand, one hundred twenty-one".