1202221002101 has 4 divisors (see below), whose sum is σ = 1373966859552. Its totient is φ = 1030475144652.

The previous prime is 1202221002089. The next prime is 1202221002107. The reversal of 1202221002101 is 1012001222021.

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 1202221002101 - 2³⁰ = 1201147260277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202221002107) 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, 85872928715 + ... + 85872928728.

It is an arithmetic number, because the mean of its divisors is an integer number (343491714888).

Almost surely, 2^{1202221002101} is an apocalyptic number.

It is an amenable number.

1202221002101 is a deficient number, since it is larger than the sum of its proper divisors (171745857451).

1202221002101 is an equidigital number, since it uses as much as digits as its factorization.

1202221002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171745857450.

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

Adding to 1202221002101 its reverse (1012001222021), we get a palindrome (2214222224122).

The spelling of 1202221002101 in words is "one trillion, two hundred two billion, two hundred twenty-one million, two thousand, one hundred one".