202110110121 has 8 divisors (see below), whose sum is σ = 276052833504. Its totient is φ = 131453730080.

The previous prime is 202110110113. The next prime is 202110110131. The reversal of 202110110121 is 121011011202.

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

It is a cyclic number.

It is not a de Polignac number, because 202110110121 - 2³ = 202110110113 is a prime.

It is a super-2 number, since 2×202110110121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202110110097 and 202110110106.

It is not an unprimeable number, because it can be changed into a prime (202110110131) 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, 821585691 + ... + 821585936.

It is an arithmetic number, because the mean of its divisors is an integer number (34506604188).

Almost surely, 2^202110110121 is an apocalyptic number.

It is an amenable number.

202110110121 is a deficient number, since it is larger than the sum of its proper divisors (73942723383).

202110110121 is a wasteful number, since it uses less digits than its factorization.

202110110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643171671.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 202110110121 its reverse (121011011202), we get a palindrome (323121121323).

The spelling of 202110110121 in words is "two hundred two billion, one hundred ten million, one hundred ten thousand, one hundred twenty-one".