10202202020121 has 32 divisors (see below), whose sum is σ = 14717826816000. Its totient is φ = 6264252987840.

The previous prime is 10202202020119. The next prime is 10202202020123. The reversal of 10202202020121 is 12102020220201.

It is an interprime number because it is at equal distance from previous prime (10202202020119) and next prime (10202202020123).

It is not a de Polignac number, because 10202202020121 - 2¹ = 10202202020119 is a prime.

It is a super-2 number, since 2×10202202020121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10202202020121.

It is not an unprimeable number, because it can be changed into a prime (10202202020123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631330 + ... + 4561028.

It is an arithmetic number, because the mean of its divisors is an integer number (459932088000).

Almost surely, 2^{10202202020121} is an apocalyptic number.

It is an amenable number.

10202202020121 is a deficient number, since it is larger than the sum of its proper divisors (4515624795879).

10202202020121 is a wasteful number, since it uses less digits than its factorization.

10202202020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930989.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202202020121 its reverse (12102020220201), we get a palindrome (22304222240322).

The spelling of 10202202020121 in words is "ten trillion, two hundred two billion, two hundred two million, twenty thousand, one hundred twenty-one".