22021021010101 has 16 divisors (see below), whose sum is σ = 22604608699200. Its totient is φ = 21444531090048.

The previous prime is 22021021010089. The next prime is 22021021010123. The reversal of 22021021010101 is 10101012012022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021021010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021021014101) 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, 29490385 + ... + 30227881.

It is an arithmetic number, because the mean of its divisors is an integer number (1412788043700).

Almost surely, 2^{22021021010101} is an apocalyptic number.

It is an amenable number.

22021021010101 is a deficient number, since it is larger than the sum of its proper divisors (583587689099).

22021021010101 is a wasteful number, since it uses less digits than its factorization.

22021021010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742308.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22021021010101 its reverse (10101012012022), we get a palindrome (32122033022123).

The spelling of 22021021010101 in words is "twenty-two trillion, twenty-one billion, twenty-one million, ten thousand, one hundred one".