210122010201121 has 4 divisors (see below), whose sum is σ = 210920953205952. Its totient is φ = 209323067196292.

The previous prime is 210122010201079. The next prime is 210122010201127. The reversal of 210122010201121 is 121102010221012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210122010201121 - 2²⁵ = 210121976646689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122010201095 and 210122010201104.

It is not an unprimeable number, because it can be changed into a prime (210122010201127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399471502021 + ... + 399471502546.

It is an arithmetic number, because the mean of its divisors is an integer number (52730238301488).

Almost surely, 2^{210122010201121} is an apocalyptic number.

It is an amenable number.

210122010201121 is a deficient number, since it is larger than the sum of its proper divisors (798943004831).

210122010201121 is an equidigital number, since it uses as much as digits as its factorization.

210122010201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798943004830.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210122010201121 its reverse (121102010221012), we get a palindrome (331224020422133).

The spelling of 210122010201121 in words is "two hundred ten trillion, one hundred twenty-two billion, ten million, two hundred one thousand, one hundred twenty-one".