10021222102 has 4 divisors (see below), whose sum is σ = 15031833156. Its totient is φ = 5010611050.

The previous prime is 10021222027. The next prime is 10021222103. The reversal of 10021222102 is 20122212001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10021222102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505305524 + ... + 2505305527.

It is an arithmetic number, because the mean of its divisors is an integer number (3757958289).

Almost surely, 2^10021222102 is an apocalyptic number.

10021222102 is a deficient number, since it is larger than the sum of its proper divisors (5010611054).

10021222102 is an equidigital number, since it uses as much as digits as its factorization.

10021222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010611053.

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

Adding to 10021222102 its reverse (20122212001), we get a palindrome (30143434103).

The spelling of 10021222102 in words is "ten billion, twenty-one million, two hundred twenty-two thousand, one hundred two".