2111101020102 has 64 divisors (see below), whose sum is σ = 4430191656960. Its totient is φ = 669376672800.

The previous prime is 2111101020029. The next prime is 2111101020137. The reversal of 2111101020102 is 2010201011112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103075899 + ... + 103096377.

It is an arithmetic number, because the mean of its divisors is an integer number (69221744640).

Almost surely, 2^{2111101020102} is an apocalyptic number.

2111101020102 is an abundant number, since it is smaller than the sum of its proper divisors (2319090636858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111101020102 is a wasteful number, since it uses less digits than its factorization.

2111101020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24609.

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

Adding to 2111101020102 its reverse (2010201011112), we get a palindrome (4121302031214).

The spelling of 2111101020102 in words is "two trillion, one hundred eleven billion, one hundred one million, twenty thousand, one hundred two".