102012211222201 has 4 divisors (see below), whose sum is σ = 116585384253952. Its totient is φ = 87439038190452.

The previous prime is 102012211222099. The next prime is 102012211222277. The reversal of 102012211222201 is 102222112210201.

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 102012211222201 - 2⁴³ = 93216118199993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012211222001) 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, 7286586515865 + ... + 7286586515878.

It is an arithmetic number, because the mean of its divisors is an integer number (29146346063488).

Almost surely, 2^{102012211222201} is an apocalyptic number.

It is an amenable number.

102012211222201 is a deficient number, since it is larger than the sum of its proper divisors (14573173031751).

102012211222201 is an equidigital number, since it uses as much as digits as its factorization.

102012211222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573173031750.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102012211222201 its reverse (102222112210201), we get a palindrome (204234323432402).

The spelling of 102012211222201 in words is "one hundred two trillion, twelve billion, two hundred eleven million, two hundred twenty-two thousand, two hundred one".