10021212022 has 4 divisors (see below), whose sum is σ = 15031818036. Its totient is φ = 5010606010.

The previous prime is 10021212017. The next prime is 10021212029. The reversal of 10021212022 is 22021212001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22021212001 = 79 ⋅278749519.

It is a junction number, because it is equal to n+sod(n) for n = 10021211993 and 10021212011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021212029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505303004 + ... + 2505303007.

It is an arithmetic number, because the mean of its divisors is an integer number (3757954509).

Almost surely, 2^10021212022 is an apocalyptic number.

10021212022 is a deficient number, since it is larger than the sum of its proper divisors (5010606014).

10021212022 is an equidigital number, since it uses as much as digits as its factorization.

10021212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010606013.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10021212022 its reverse (22021212001), we get a palindrome (32042424023).

The spelling of 10021212022 in words is "ten billion, twenty-one million, two hundred twelve thousand, twenty-two".