201010102220121 has 8 divisors (see below), whose sum is σ = 268088062869600. Its totient is φ = 133969438192032.

The previous prime is 201010102220117. The next prime is 201010102220159. The reversal of 201010102220121 is 121022201010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201010102220121 - 2² = 201010102220117 is a prime.

It is a super-2 number, since 2×201010102220121² (a number of 29 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 201010102220121.

It is not an unprimeable number, because it can be changed into a prime (201010102220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9324142771 + ... + 9324164328.

It is an arithmetic number, because the mean of its divisors is an integer number (33511007858700).

Almost surely, 2^{201010102220121} is an apocalyptic number.

It is an amenable number.

201010102220121 is a deficient number, since it is larger than the sum of its proper divisors (67077960649479).

201010102220121 is a wasteful number, since it uses less digits than its factorization.

201010102220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18648310695.

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

Adding to 201010102220121 its reverse (121022201010102), we get a palindrome (322032303230223).

The spelling of 201010102220121 in words is "two hundred one trillion, ten billion, one hundred two million, two hundred twenty thousand, one hundred twenty-one".