121202001012211 has 6 divisors (see below), whose sum is σ = 140990082810180. Its totient is φ = 103887429438996.

The previous prime is 121202001012167. The next prime is 121202001012269. The reversal of 121202001012211 is 112210100202121.

It is not a de Polignac number, because 121202001012211 - 2¹¹ = 121202001010163 is a prime.

It is a super-2 number, since 2×121202001012211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202001013211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1236755112321 + ... + 1236755112418.

It is an arithmetic number, because the mean of its divisors is an integer number (23498347135030).

Almost surely, 2^{121202001012211} is an apocalyptic number.

121202001012211 is a deficient number, since it is larger than the sum of its proper divisors (19788081797969).

121202001012211 is an equidigital number, since it uses as much as digits as its factorization.

121202001012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473510224753 (or 2473510224746 counting only the distinct ones).

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

Adding to 121202001012211 its reverse (112210100202121), we get a palindrome (233412101214332).

The spelling of 121202001012211 in words is "one hundred twenty-one trillion, two hundred two billion, one million, twelve thousand, two hundred eleven".