22021423402101 has 16 divisors (see below), whose sum is σ = 29402123122944. Its totient is φ = 14660843262464.

The previous prime is 22021423402079. The next prime is 22021423402117. The reversal of 22021423402101 is 10120432412022.

It is a cyclic number.

It is not a de Polignac number, because 22021423402101 - 2¹⁰ = 22021423401077 is a prime.

It is a super-2 number, since 2×22021423402101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021423402801) 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, 11842045 + ... + 13574861.

It is an arithmetic number, because the mean of its divisors is an integer number (1837632695184).

Almost surely, 2^{22021423402101} is an apocalyptic number.

It is an amenable number.

22021423402101 is a deficient number, since it is larger than the sum of its proper divisors (7380699720843).

22021423402101 is a wasteful number, since it uses less digits than its factorization.

22021423402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738620.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22021423402101 its reverse (10120432412022), we get a palindrome (32141855814123).

The spelling of 22021423402101 in words is "twenty-two trillion, twenty-one billion, four hundred twenty-three million, four hundred two thousand, one hundred one".