1002222120101 has 4 divisors (see below), whose sum is σ = 1045796994912. Its totient is φ = 958647245292.

The previous prime is 1002222120089. The next prime is 1002222120143. The reversal of 1002222120101 is 1010212222001.

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 1002222120101 - 2⁶ = 1002222120037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002222120161) 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, 21787437371 + ... + 21787437416.

It is an arithmetic number, because the mean of its divisors is an integer number (261449248728).

Almost surely, 2^{1002222120101} is an apocalyptic number.

It is an amenable number.

1002222120101 is a deficient number, since it is larger than the sum of its proper divisors (43574874811).

1002222120101 is an equidigital number, since it uses as much as digits as its factorization.

1002222120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43574874810.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002222120101 its reverse (1010212222001), we get a palindrome (2012434342102).

The spelling of 1002222120101 in words is "one trillion, two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".