10121221374 has 16 divisors (see below), whose sum is σ = 22082664960. Its totient is φ = 3067036760.

The previous prime is 10121221367. The next prime is 10121221381. The reversal of 10121221374 is 47312212101.

It is an interprime number because it is at equal distance from previous prime (10121221367) and next prime (10121221381).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76675854 + ... + 76675985.

It is an arithmetic number, because the mean of its divisors is an integer number (1380166560).

Almost surely, 2^10121221374 is an apocalyptic number.

10121221374 is an abundant number, since it is smaller than the sum of its proper divisors (11961443586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121221374 is a wasteful number, since it uses less digits than its factorization.

10121221374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153351855.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 10121221374 its reverse (47312212101), we get a palindrome (57433433475).

The spelling of 10121221374 in words is "ten billion, one hundred twenty-one million, two hundred twenty-one thousand, three hundred seventy-four".