2111111010102 has 32 divisors (see below), whose sum is σ = 4228412284800. Its totient is φ = 702672702848.

The previous prime is 2111111010089. The next prime is 2111111010103. The reversal of 2111111010102 is 2010101111112.

It is a super-3 number, since 3×2111111010102³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111111010103) 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, 11438974 + ... + 11622062.

It is an arithmetic number, because the mean of its divisors is an integer number (132137883900).

Almost surely, 2^{2111111010102} is an apocalyptic number.

2111111010102 is an abundant number, since it is smaller than the sum of its proper divisors (2117301274698).

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

2111111010102 is a wasteful number, since it uses less digits than its factorization.

2111111010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185900.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2111111010102 its reverse (2010101111112), we get a palindrome (4121212121214).

It can be divided in two parts, 2111111010 and 102, that added together give a palindrome (2111111112).

The spelling of 2111111010102 in words is "two trillion, one hundred eleven billion, one hundred eleven million, ten thousand, one hundred two".