121210210010001 has 32 divisors (see below), whose sum is σ = 185992104960000. Its totient is φ = 68779171074240.

The previous prime is 121210210009981. The next prime is 121210210010023. The reversal of 121210210010001 is 100010012012121.

It is not a de Polignac number, because 121210210010001 - 2²² = 121210205815697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121210210011001) 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, 6027100 + ... + 16695698.

It is an arithmetic number, because the mean of its divisors is an integer number (5812253280000).

Almost surely, 2^{121210210010001} is an apocalyptic number.

It is an amenable number.

121210210010001 is a deficient number, since it is larger than the sum of its proper divisors (64781894949999).

121210210010001 is a wasteful number, since it uses less digits than its factorization.

121210210010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672389.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121210210010001 its reverse (100010012012121), we get a palindrome (221220222022122).

The spelling of 121210210010001 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred ten million, ten thousand, one".