1211022102001 has 16 divisors (see below), whose sum is σ = 1237305222720. Its totient is φ = 1184937448000.

The previous prime is 1211022101969. The next prime is 1211022102061. The reversal of 1211022102001 is 1002012201121.

It is a cyclic number.

It is not a de Polignac number, because 1211022102001 - 2⁵ = 1211022101969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211022102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22082451 + ... + 22137223.

It is an arithmetic number, because the mean of its divisors is an integer number (77331576420).

Almost surely, 2^{1211022102001} is an apocalyptic number.

It is an amenable number.

1211022102001 is a deficient number, since it is larger than the sum of its proper divisors (26283120719).

1211022102001 is a wasteful number, since it uses less digits than its factorization.

1211022102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56576.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211022102001 its reverse (1002012201121), we get a palindrome (2213034303122).

The spelling of 1211022102001 in words is "one trillion, two hundred eleven billion, twenty-two million, one hundred two thousand, one".