10012201220021 has 16 divisors (see below), whose sum is σ = 13442955485568. Its totient is φ = 7201583294400.

The previous prime is 10012201220003. The next prime is 10012201220023. The reversal of 10012201220021 is 12002210221001.

It is not a de Polignac number, because 10012201220021 - 2¹⁸ = 10012200957877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012201219978 and 10012201220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012201220023) 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, 5001098510 + ... + 5001100511.

It is an arithmetic number, because the mean of its divisors is an integer number (840184717848).

Almost surely, 2^{10012201220021} is an apocalyptic number.

10012201220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10012201220021 is a deficient number, since it is larger than the sum of its proper divisors (3430754265547).

10012201220021 is a wasteful number, since it uses less digits than its factorization.

10012201220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002199052.

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

Adding to 10012201220021 its reverse (12002210221001), we get a palindrome (22014411441022).

It can be divided in two parts, 1001 and 2201220021, that added together give a palindrome (2201221022).

The spelling of 10012201220021 in words is "ten trillion, twelve billion, two hundred one million, two hundred twenty thousand, twenty-one".