101111211201122 has 4 divisors (see below), whose sum is σ = 151666816801686. Its totient is φ = 50555605600560.

The previous prime is 101111211201109. The next prime is 101111211201137. The reversal of 101111211201122 is 221102112111101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61139873001601 + 39971338199521 = 7819199^2 + 6322289^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101111211201122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277802800279 + ... + 25277802800282.

Almost surely, 2^{101111211201122} is an apocalyptic number.

101111211201122 is a deficient number, since it is larger than the sum of its proper divisors (50555605600564).

101111211201122 is an equidigital number, since it uses as much as digits as its factorization.

101111211201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555605600563.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 101111211201122 its reverse (221102112111101), we get a palindrome (322213323312223).

The spelling of 101111211201122 in words is "one hundred one trillion, one hundred eleven billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".