2211111012102 has 16 divisors (see below), whose sum is σ = 4425947583552. Its totient is φ = 736416077480.

The previous prime is 2211111012059. The next prime is 2211111012127. The reversal of 2211111012102 is 2012101111122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155223924 + ... + 155238167.

It is an arithmetic number, because the mean of its divisors is an integer number (276621723972).

Almost surely, 2^{2211111012102} is an apocalyptic number.

2211111012102 is an abundant number, since it is smaller than the sum of its proper divisors (2214836571450).

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

2211111012102 is a wasteful number, since it uses less digits than its factorization.

2211111012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310463283.

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

Adding to 2211111012102 its reverse (2012101111122), we get a palindrome (4223212123224).

The spelling of 2211111012102 in words is "two trillion, two hundred eleven billion, one hundred eleven million, twelve thousand, one hundred two".