121202121010201 has 64 divisors (see below), whose sum is σ = 155825017145856. Its totient is φ = 91553946624000.

The previous prime is 121202121010177. The next prime is 121202121010207. The reversal of 121202121010201 is 102010121202121.

It is not a de Polignac number, because 121202121010201 - 2¹⁷ = 121202120879129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202121010207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76998621 + ... + 78556933.

It is an arithmetic number, because the mean of its divisors is an integer number (2434765892904).

Almost surely, 2^{121202121010201} is an apocalyptic number.

121202121010201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121202121010201 is a deficient number, since it is larger than the sum of its proper divisors (34622896135655).

121202121010201 is a wasteful number, since it uses less digits than its factorization.

121202121010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558642.

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

Adding to 121202121010201 its reverse (102010121202121), we get a palindrome (223212242212322).

It can be divided in two parts, 1212021 and 21010201, that added together give a palindrome (22222222).

The spelling of 121202121010201 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred twenty-one million, ten thousand, two hundred one".