10202220101 has 4 divisors (see below), whose sum is σ = 10645794912. Its totient is φ = 9758645292.

The previous prime is 10202220079. The next prime is 10202220121. The reversal of 10202220101 is 10102220201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10102220201 = 31 ⋅325878071.

It is a cyclic number.

It is not a de Polignac number, because 10202220101 - 2²⁶ = 10135111237 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 (10202220121) 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, 221787371 + ... + 221787416.

It is an arithmetic number, because the mean of its divisors is an integer number (2661448728).

Almost surely, 2^10202220101 is an apocalyptic number.

It is an amenable number.

10202220101 is a deficient number, since it is larger than the sum of its proper divisors (443574811).

10202220101 is an equidigital number, since it uses as much as digits as its factorization.

10202220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443574810.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10202220101 its reverse (10102220201), we get a palindrome (20304440302).

The spelling of 10202220101 in words is "ten billion, two hundred two million, two hundred twenty thousand, one hundred one".