1012201220211 has 16 divisors (see below), whose sum is σ = 1358150976000. Its totient is φ = 670538233568.

The previous prime is 1012201220207. The next prime is 1012201220249. The reversal of 1012201220211 is 1120221022101.

It is a cyclic number.

It is not a de Polignac number, because 1012201220211 - 2² = 1012201220207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012201222211) 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, 1176636 + ... + 1846313.

It is an arithmetic number, because the mean of its divisors is an integer number (84884436000).

Almost surely, 2^{1012201220211} is an apocalyptic number.

1012201220211 is a deficient number, since it is larger than the sum of its proper divisors (345949755789).

1012201220211 is a wasteful number, since it uses less digits than its factorization.

1012201220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023658.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012201220211 its reverse (1120221022101), we get a palindrome (2132422242312).

The spelling of 1012201220211 in words is "one trillion, twelve billion, two hundred one million, two hundred twenty thousand, two hundred eleven".