102012122111001 has 8 divisors (see below), whose sum is σ = 144017113568544. Its totient is φ = 64007606030400.

The previous prime is 102012122110991. The next prime is 102012122111017. The reversal of 102012122111001 is 100111221210201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102012122111001 - 2⁹ = 102012122110489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012122111021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000118844175 + ... + 1000118844276.

It is an arithmetic number, because the mean of its divisors is an integer number (18002139196068).

Almost surely, 2^{102012122111001} is an apocalyptic number.

It is an amenable number.

102012122111001 is a deficient number, since it is larger than the sum of its proper divisors (42004991457543).

102012122111001 is a wasteful number, since it uses less digits than its factorization.

102012122111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000237688471.

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

Adding to 102012122111001 its reverse (100111221210201), we get a palindrome (202123343321202).

The spelling of 102012122111001 in words is "one hundred two trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, one".