22101220011101 has 24 divisors (see below), whose sum is σ = 28124942316480. Its totient is φ = 17173758336000.

The previous prime is 22101220010999. The next prime is 22101220011107. The reversal of 22101220011101 is 10111002210122.

It is a de Polignac number, because none of the positive numbers 2^k-22101220011101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101220011107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56915300 + ... + 57302301.

It is an arithmetic number, because the mean of its divisors is an integer number (1171872596520).

Almost surely, 2^{22101220011101} is an apocalyptic number.

It is an amenable number.

22101220011101 is a deficient number, since it is larger than the sum of its proper divisors (6023722305379).

22101220011101 is a wasteful number, since it uses less digits than its factorization.

22101220011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114217985 (or 114217978 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22101220011101 its reverse (10111002210122), we get a palindrome (32212222221223).

The spelling of 22101220011101 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, eleven thousand, one hundred one".