101222121101 has 16 divisors (see below), whose sum is σ = 109286064000. Its totient is φ = 93464699328.

The previous prime is 101222121053. The next prime is 101222121137. The reversal of 101222121101 is 101121222101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101222121101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222121151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4590635 + ... + 4612631.

It is an arithmetic number, because the mean of its divisors is an integer number (6830379000).

Almost surely, 2^101222121101 is an apocalyptic number.

It is an amenable number.

101222121101 is a deficient number, since it is larger than the sum of its proper divisors (8063942899).

101222121101 is a wasteful number, since it uses less digits than its factorization.

101222121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28948.

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

Adding to 101222121101 its reverse (101121222101), we get a palindrome (202343343202).

The spelling of 101222121101 in words is "one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred one".