1021122022201 has 4 divisors (see below), whose sum is σ = 1054061442304. Its totient is φ = 988182602100.

The previous prime is 1021122022187. The next prime is 1021122022247. The reversal of 1021122022201 is 1022202211201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021122022201 - 2⁵ = 1021122022169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021122026201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16469710005 + ... + 16469710066.

It is an arithmetic number, because the mean of its divisors is an integer number (263515360576).

Almost surely, 2^{1021122022201} is an apocalyptic number.

It is an amenable number.

1021122022201 is a deficient number, since it is larger than the sum of its proper divisors (32939420103).

1021122022201 is an equidigital number, since it uses as much as digits as its factorization.

1021122022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32939420102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1021122022201 its reverse (1022202211201), we get a palindrome (2043324233402).

The spelling of 1021122022201 in words is "one trillion, twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred one".