2111021210102 has 32 divisors (see below), whose sum is σ = 3864056182272. Its totient is φ = 845262278784.

The previous prime is 2111021210087. The next prime is 2111021210143. The reversal of 2111021210102 is 2010121201112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76218323 + ... + 76246014.

It is an arithmetic number, because the mean of its divisors is an integer number (120751755696).

Almost surely, 2^{2111021210102} is an apocalyptic number.

2111021210102 is a deficient number, since it is larger than the sum of its proper divisors (1753034972170).

2111021210102 is a wasteful number, since it uses less digits than its factorization.

2111021210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152464412.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111021210102 its reverse (2010121201112), we get a palindrome (4121142411214).

The spelling of 2111021210102 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred ten thousand, one hundred two".