10222012112021 has 4 divisors (see below), whose sum is σ = 10414880265132. Its totient is φ = 10029143958912.

The previous prime is 10222012111931. The next prime is 10222012112041. The reversal of 10222012112021 is 12021121022201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6124565745796 + 4097446366225 = 2474786^2 + 2024215^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222012112021 - 2¹⁰ = 10222012110997 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 (10222012112041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96434076476 + ... + 96434076581.

It is an arithmetic number, because the mean of its divisors is an integer number (2603720066283).

Almost surely, 2^{10222012112021} is an apocalyptic number.

It is an amenable number.

10222012112021 is a deficient number, since it is larger than the sum of its proper divisors (192868153111).

10222012112021 is an equidigital number, since it uses as much as digits as its factorization.

10222012112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192868153110.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10222012112021 its reverse (12021121022201), we get a palindrome (22243133134222).

The spelling of 10222012112021 in words is "ten trillion, two hundred twenty-two billion, twelve million, one hundred twelve thousand, twenty-one".