102101212211001 has 32 divisors (see below), whose sum is σ = 140160897891840. Its totient is φ = 66071969049600.

The previous prime is 102101212210993. The next prime is 102101212211051. The reversal of 102101212211001 is 100112212101201.

It is a happy number.

It is not a de Polignac number, because 102101212211001 - 2³ = 102101212210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102101212211051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22343685 + ... + 26522493.

It is an arithmetic number, because the mean of its divisors is an integer number (4380028059120).

Almost surely, 2^{102101212211001} is an apocalyptic number.

It is an amenable number.

102101212211001 is a deficient number, since it is larger than the sum of its proper divisors (38059685680839).

102101212211001 is a wasteful number, since it uses less digits than its factorization.

102101212211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179857.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102101212211001 its reverse (100112212101201), we get a palindrome (202213424312202).

The spelling of 102101212211001 in words is "one hundred two trillion, one hundred one billion, two hundred twelve million, two hundred eleven thousand, one".