1022220212001 has 16 divisors (see below), whose sum is σ = 1367920776000. Its totient is φ = 679004354880.

The previous prime is 1022220211979. The next prime is 1022220212009. The reversal of 1022220212001 is 1002120222201.

It is not a de Polignac number, because 1022220212001 - 2²⁹ = 1021683341089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022220212009) 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, 360691 + ... + 1474631.

It is an arithmetic number, because the mean of its divisors is an integer number (85495048500).

Almost surely, 2^{1022220212001} is an apocalyptic number.

It is an amenable number.

1022220212001 is a deficient number, since it is larger than the sum of its proper divisors (345700563999).

1022220212001 is a wasteful number, since it uses less digits than its factorization.

1022220212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115056.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022220212001 its reverse (1002120222201), we get a palindrome (2024340434202).

The spelling of 1022220212001 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred twelve thousand, one".