1210202222101 has 4 divisors (see below), whose sum is σ = 1210211080000. Its totient is φ = 1210193364204.

The previous prime is 1210202222093. The next prime is 1210202222237. The reversal of 1210202222101 is 1012222020121.

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 1210202222101 - 2³ = 1210202222093 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 (1210202225101) 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, 4220751 + ... + 4498348.

It is an arithmetic number, because the mean of its divisors is an integer number (302552770000).

Almost surely, 2^{1210202222101} is an apocalyptic number.

It is an amenable number.

1210202222101 is a deficient number, since it is larger than the sum of its proper divisors (8857899).

1210202222101 is an equidigital number, since it uses as much as digits as its factorization.

1210202222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857898.

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

Adding to 1210202222101 its reverse (1012222020121), we get a palindrome (2222424242222).

The spelling of 1210202222101 in words is "one trillion, two hundred ten billion, two hundred two million, two hundred twenty-two thousand, one hundred one".