102021211122001 has 4 divisors (see below), whose sum is σ = 102021286766400. Its totient is φ = 102021135477604.

The previous prime is 102021211121897. The next prime is 102021211122029. The reversal of 102021211122001 is 100221112120201.

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 102021211122001 - 2¹⁵ = 102021211089233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021211122031) 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, 35761741 + ... + 38509018.

It is an arithmetic number, because the mean of its divisors is an integer number (25505321691600).

Almost surely, 2^{102021211122001} is an apocalyptic number.

It is an amenable number.

102021211122001 is a deficient number, since it is larger than the sum of its proper divisors (75644399).

102021211122001 is an equidigital number, since it uses as much as digits as its factorization.

102021211122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75644398.

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

Adding to 102021211122001 its reverse (100221112120201), we get a palindrome (202242323242202).

The spelling of 102021211122001 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred twenty-two thousand, one".