10121020222 has 4 divisors (see below), whose sum is σ = 15181530336. Its totient is φ = 5060510110.

The previous prime is 10121020207. The next prime is 10121020241. The reversal of 10121020222 is 22202012101.

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: 22202012101 = 3989 ⋅5565809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530255054 + ... + 2530255057.

It is an arithmetic number, because the mean of its divisors is an integer number (3795382584).

Almost surely, 2^10121020222 is an apocalyptic number.

10121020222 is a deficient number, since it is larger than the sum of its proper divisors (5060510114).

10121020222 is an equidigital number, since it uses as much as digits as its factorization.

10121020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060510113.

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

Adding to 10121020222 its reverse (22202012101), we get a palindrome (32323032323).

The spelling of 10121020222 in words is "ten billion, one hundred twenty-one million, twenty thousand, two hundred twenty-two".