1022212122201 has 48 divisors (see below), whose sum is σ = 1554347171520. Its totient is φ = 646485840000.

The previous prime is 1022212122187. The next prime is 1022212122271.

It is a happy number.

1022212122201 is a `hidden beast` number, since 10 + 2 + 221 + 212 + 220 + 1 = 666.

1022212122201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1022212122201 - 2¹⁸ = 1022211860057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022212122271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3305286 + ... + 3601296.

It is an arithmetic number, because the mean of its divisors is an integer number (32382232740).

Almost surely, 2^{1022212122201} is an apocalyptic number.

It is an amenable number.

1022212122201 is a deficient number, since it is larger than the sum of its proper divisors (532135049319).

1022212122201 is a wasteful number, since it uses less digits than its factorization.

1022212122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296278 (or 296275 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 1022212122201 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred one".