10002022012021 has 16 divisors (see below), whose sum is σ = 11413412832640. Its totient is φ = 8688782260800.

The previous prime is 10002022012001. The next prime is 10002022012027. The reversal of 10002022012021 is 12021022020001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10002022012021 - 2¹⁵ = 10002021979253 is a prime.

It is a super-2 number, since 2×10002022012021² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10002022011992 and 10002022012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002022012027) 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, 134048850 + ... + 134123443.

It is an arithmetic number, because the mean of its divisors is an integer number (713338302040).

Almost surely, 2^{10002022012021} is an apocalyptic number.

It is an amenable number.

10002022012021 is a deficient number, since it is larger than the sum of its proper divisors (1411390820619).

10002022012021 is a wasteful number, since it uses less digits than its factorization.

10002022012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268172476.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002022012021 its reverse (12021022020001), we get a palindrome (22023044032022).

The spelling of 10002022012021 in words is "ten trillion, two billion, twenty-two million, twelve thousand, twenty-one".