10012201220121 has 16 divisors (see below), whose sum is σ = 13938687581184. Its totient is φ = 6380619023504.

The previous prime is 10012201220101. The next prime is 10012201220141. The reversal of 10012201220121 is 12102210221001.

It is an interprime number because it is at equal distance from previous prime (10012201220101) and next prime (10012201220141).

It is a cyclic number.

It is not a de Polignac number, because 10012201220121 - 2⁵ = 10012201220089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012201220121.

It is not an unprimeable number, because it can be changed into a prime (10012201220101) 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, 45036711 + ... + 45258476.

It is an arithmetic number, because the mean of its divisors is an integer number (871167973824).

Almost surely, 2^{10012201220121} is an apocalyptic number.

It is an amenable number.

10012201220121 is a deficient number, since it is larger than the sum of its proper divisors (3926486361063).

10012201220121 is a wasteful number, since it uses less digits than its factorization.

10012201220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90296820.

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

Adding to 10012201220121 its reverse (12102210221001), we get a palindrome (22114411441122).

The spelling of 10012201220121 in words is "ten trillion, twelve billion, two hundred one million, two hundred twenty thousand, one hundred twenty-one".