2120110110102 has 32 divisors (see below), whose sum is σ = 4388063733504. Its totient is φ = 682354389600.

The previous prime is 2120110110101. The next prime is 2120110110163. The reversal of 2120110110102 is 2010110110212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120110110101) 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, 36421474 + ... + 36479637.

It is an arithmetic number, because the mean of its divisors is an integer number (137126991672).

Almost surely, 2^{2120110110102} is an apocalyptic number.

2120110110102 is an abundant number, since it is smaller than the sum of its proper divisors (2267953623402).

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

2120110110102 is a wasteful number, since it uses less digits than its factorization.

2120110110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72901284.

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

Adding to 2120110110102 its reverse (2010110110212), we get a palindrome (4130220220314).

It can be divided in two parts, 2120110110 and 102, that added together give a palindrome (2120110212).

The spelling of 2120110110102 in words is "two trillion, one hundred twenty billion, one hundred ten million, one hundred ten thousand, one hundred two".