11101212021122 has 32 divisors (see below), whose sum is σ = 16745771952000. Its totient is φ = 5519383879680.

The previous prime is 11101212021113. The next prime is 11101212021131. The reversal of 11101212021122 is 22112021210111.

It is an interprime number because it is at equal distance from previous prime (11101212021113) and next prime (11101212021131).

It is a self number, because there is not a number n which added to its sum of digits gives 11101212021122.

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, 942612098 + ... + 942623874.

It is an arithmetic number, because the mean of its divisors is an integer number (523305373500).

Almost surely, 2^{11101212021122} is an apocalyptic number.

11101212021122 is a deficient number, since it is larger than the sum of its proper divisors (5644559930878).

11101212021122 is a wasteful number, since it uses less digits than its factorization.

11101212021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15626.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11101212021122 its reverse (22112021210111), we get a palindrome (33213233231233).

The spelling of 11101212021122 in words is "eleven trillion, one hundred one billion, two hundred twelve million, twenty-one thousand, one hundred twenty-two".