2100102021101 has 16 divisors (see below), whose sum is σ = 2436426912000. Its totient is φ = 1772924277888.

The previous prime is 2100102021013. The next prime is 2100102021109. The reversal of 2100102021101 is 1011202010012.

It is a cyclic number.

It is not a de Polignac number, because 2100102021101 - 2³⁴ = 2082922151917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100102021109) 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, 2536001 + ... + 3260598.

It is an arithmetic number, because the mean of its divisors is an integer number (152276682000).

Almost surely, 2^{2100102021101} is an apocalyptic number.

It is an amenable number.

2100102021101 is a deficient number, since it is larger than the sum of its proper divisors (336324890899).

2100102021101 is an equidigital number, since it uses as much as digits as its factorization.

2100102021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797388.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100102021101 its reverse (1011202010012), we get a palindrome (3111304031113).

The spelling of 2100102021101 in words is "two trillion, one hundred billion, one hundred two million, twenty-one thousand, one hundred one".