10200211220121 has 48 divisors (see below), whose sum is σ = 15635715496704. Its totient is φ = 5891715228672.

The previous prime is 10200211220113. The next prime is 10200211220123. The reversal of 10200211220121 is 12102211200201.

It is not a de Polignac number, because 10200211220121 - 2³ = 10200211220113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10200211220121.

It is not an unprimeable number, because it can be changed into a prime (10200211220123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1550835 + ... + 4775511.

It is an arithmetic number, because the mean of its divisors is an integer number (325744072848).

Almost surely, 2^{10200211220121} is an apocalyptic number.

It is an amenable number.

10200211220121 is a deficient number, since it is larger than the sum of its proper divisors (5435504276583).

10200211220121 is a wasteful number, since it uses less digits than its factorization.

10200211220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225090 (or 3225077 counting only the distinct ones).

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

Adding to 10200211220121 its reverse (12102211200201), we get a palindrome (22302422420322).

The spelling of 10200211220121 in words is "ten trillion, two hundred billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty-one".