11101220120022 has 64 divisors (see below), whose sum is σ = 22839052723200. Its totient is φ = 3595072377600.

The previous prime is 11101220120017. The next prime is 11101220120057. The reversal of 11101220120022 is 22002102210111.

It is a junction number, because it is equal to n+sod(n) for n = 11101220119983 and 11101220120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139892268 + ... + 139971600.

It is an arithmetic number, because the mean of its divisors is an integer number (356860198800).

Almost surely, 2^{11101220120022} is an apocalyptic number.

11101220120022 is an abundant number, since it is smaller than the sum of its proper divisors (11737832603178).

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

11101220120022 is a wasteful number, since it uses less digits than its factorization.

11101220120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81749.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11101220120022 its reverse (22002102210111), we get a palindrome (33103322330133).

The spelling of 11101220120022 in words is "eleven trillion, one hundred one billion, two hundred twenty million, one hundred twenty thousand, twenty-two".