2111122101102 has 32 divisors (see below), whose sum is σ = 5109270296832. Its totient is φ = 567696699264.

The previous prime is 2111122101083. The next prime is 2111122101167. The reversal of 2111122101102 is 2011012211112.

It is a happy number.

It is a super-2 number, since 2×2111122101102² (a number of 25 digits) contains 22 as substring.

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, 1478376108 + ... + 1478377535.

It is an arithmetic number, because the mean of its divisors is an integer number (159664696776).

Almost surely, 2^{2111122101102} is an apocalyptic number.

2111122101102 is an abundant number, since it is smaller than the sum of its proper divisors (2998148195730).

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

2111122101102 is a wasteful number, since it uses less digits than its factorization.

2111122101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956753672.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111122101102 its reverse (2011012211112), we get a palindrome (4122134312214).

The spelling of 2111122101102 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, one hundred two".