1210101112001 has 16 divisors (see below), whose sum is σ = 1304588177280. Its totient is φ = 1118250504960.

The previous prime is 1210101111997. The next prime is 1210101112079. The reversal of 1210101112001 is 1002111010121.

It is a cyclic number.

It is not a de Polignac number, because 1210101112001 - 2² = 1210101111997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210101112201) 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, 88700 + ... + 1558226.

It is an arithmetic number, because the mean of its divisors is an integer number (81536761080).

Almost surely, 2^{1210101112001} is an apocalyptic number.

It is an amenable number.

1210101112001 is a deficient number, since it is larger than the sum of its proper divisors (94487065279).

1210101112001 is a wasteful number, since it uses less digits than its factorization.

1210101112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470424.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1210101112001 its reverse (1002111010121), we get a palindrome (2212212122122).

The spelling of 1210101112001 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, one".