102211210211001 has 16 divisors (see below), whose sum is σ = 137555815880448. Its totient is φ = 67503710696400.

The previous prime is 102211210210927. The next prime is 102211210211009. The reversal of 102211210211001 is 100112012112201.

It is a happy number.

It is not a de Polignac number, because 102211210211001 - 2⁹ = 102211210210489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102211210211009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112788186 + ... + 113690796.

It is an arithmetic number, because the mean of its divisors is an integer number (8597238492528).

Almost surely, 2^{102211210211001} is an apocalyptic number.

It is an amenable number.

102211210211001 is a deficient number, since it is larger than the sum of its proper divisors (35344605669447).

102211210211001 is a wasteful number, since it uses less digits than its factorization.

102211210211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255492.

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

Adding to 102211210211001 its reverse (100112012112201), we get a palindrome (202323222323202).

The spelling of 102211210211001 in words is "one hundred two trillion, two hundred eleven billion, two hundred ten million, two hundred eleven thousand, one".