10122011442 has 24 divisors (see below), whose sum is σ = 22884548544. Its totient is φ = 3227307864.

The previous prime is 10122011441. The next prime is 10122011461. The reversal of 10122011442 is 24411022101.

10122011442 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 1 + 1 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10122011441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12224238 + ... + 12225065.

It is an arithmetic number, because the mean of its divisors is an integer number (953522856).

Almost surely, 2^10122011442 is an apocalyptic number.

10122011442 is an abundant number, since it is smaller than the sum of its proper divisors (12762537102).

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

10122011442 is a wasteful number, since it uses less digits than its factorization.

10122011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24449334 (or 24449331 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10122011442 its reverse (24411022101), we get a palindrome (34533033543).

The spelling of 10122011442 in words is "ten billion, one hundred twenty-two million, eleven thousand, four hundred forty-two".