10210202210021 has 16 divisors (see below), whose sum is σ = 11185439800320. Its totient is φ = 9242807197680.

The previous prime is 10210202209981. The next prime is 10210202210023. The reversal of 10210202210021 is 12001220201201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10210202210021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210202209978 and 10210202210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210202210023) 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, 86979650 + ... + 87096956.

It is an arithmetic number, because the mean of its divisors is an integer number (699089987520).

Almost surely, 2^{10210202210021} is an apocalyptic number.

10210202210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10210202210021 is a deficient number, since it is larger than the sum of its proper divisors (975237590299).

10210202210021 is a wasteful number, since it uses less digits than its factorization.

10210202210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150664.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10210202210021 its reverse (12001220201201), we get a palindrome (22211422411222).

The spelling of 10210202210021 in words is "ten trillion, two hundred ten billion, two hundred two million, two hundred ten thousand, twenty-one".