212202011121001 has 4 divisors (see below), whose sum is σ = 231493103041104. Its totient is φ = 192910919200900.

The previous prime is 212202011120971. The next prime is 212202011121011. The reversal of 212202011121001 is 100121110202212.

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 212202011121001 - 2¹⁵ = 212202011088233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202011121011) 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, 9645545960035 + ... + 9645545960056.

It is an arithmetic number, because the mean of its divisors is an integer number (57873275760276).

Almost surely, 2^{212202011121001} is an apocalyptic number.

It is an amenable number.

212202011121001 is a deficient number, since it is larger than the sum of its proper divisors (19291091920103).

212202011121001 is a wasteful number, since it uses less digits than its factorization.

212202011121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19291091920102.

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

Adding to 212202011121001 its reverse (100121110202212), we get a palindrome (312323121323213).

The spelling of 212202011121001 in words is "two hundred twelve trillion, two hundred two billion, eleven million, one hundred twenty-one thousand, one".