22012021012101 has 32 divisors (see below), whose sum is σ = 29685966524928. Its totient is φ = 14506965892800.

The previous prime is 22012021012031. The next prime is 22012021012103. The reversal of 22012021012101 is 10121012021022.

It is not a de Polignac number, because 22012021012101 - 2¹¹ = 22012021010053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012021012103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1250887435 + ... + 1250905031.

It is an arithmetic number, because the mean of its divisors is an integer number (927686453904).

Almost surely, 2^{22012021012101} is an apocalyptic number.

It is an amenable number.

22012021012101 is a deficient number, since it is larger than the sum of its proper divisors (7673945512827).

22012021012101 is a wasteful number, since it uses less digits than its factorization.

22012021012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25681.

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

Adding to 22012021012101 its reverse (10121012021022), we get a palindrome (32133033033123).

The spelling of 22012021012101 in words is "twenty-two trillion, twelve billion, twenty-one million, twelve thousand, one hundred one".