22021010210101 has 4 divisors (see below), whose sum is σ = 25166868811552. Its totient is φ = 18875151608652.

The previous prime is 22021010210099. The next prime is 22021010210137. The reversal of 22021010210101 is 10101201012022.

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 22021010210101 - 2¹ = 22021010210099 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 (22021010210701) 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, 1572929300715 + ... + 1572929300728.

It is an arithmetic number, because the mean of its divisors is an integer number (6291717202888).

Almost surely, 2^{22021010210101} is an apocalyptic number.

It is an amenable number.

22021010210101 is a deficient number, since it is larger than the sum of its proper divisors (3145858601451).

22021010210101 is an equidigital number, since it uses as much as digits as its factorization.

22021010210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145858601450.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22021010210101 its reverse (10101201012022), we get a palindrome (32122211222123).

The spelling of 22021010210101 in words is "twenty-two trillion, twenty-one billion, ten million, two hundred ten thousand, one hundred one".