2211121021102 has 12 divisors (see below), whose sum is σ = 3858180557400. Its totient is φ = 947623294716.

The previous prime is 2211121021099. The next prime is 2211121021127. The reversal of 2211121021102 is 2011201211122.

It is a super-2 number, since 2×2211121021102² (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 5 ways as a sum of consecutive naturals, for example, 11281229602 + ... + 11281229797.

It is an arithmetic number, because the mean of its divisors is an integer number (321515046450).

Almost surely, 2^{2211121021102} is an apocalyptic number.

2211121021102 is a deficient number, since it is larger than the sum of its proper divisors (1647059536298).

2211121021102 is a wasteful number, since it uses less digits than its factorization.

2211121021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22562459415 (or 22562459408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211121021102 its reverse (2011201211122), we get a palindrome (4222322232224).

The spelling of 2211121021102 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, twenty-one thousand, one hundred two".