1011121442 has 16 divisors (see below), whose sum is σ = 1599998400. Its totient is φ = 477905040.

The previous prime is 1011121429. The next prime is 1011121483. The reversal of 1011121442 is 2441211101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011121442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11342 + ... + 46377.

It is an arithmetic number, because the mean of its divisors is an integer number (99999900).

Almost surely, 2^1011121442 is an apocalyptic number.

1011121442 is a deficient number, since it is larger than the sum of its proper divisors (588876958).

1011121442 is a wasteful number, since it uses less digits than its factorization.

1011121442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58201.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1011121442 is about 31798.1358258625. The cubic root of 1011121442 is about 1003.6934886794.

Adding to 1011121442 its reverse (2441211101), we get a palindrome (3452332543).

The spelling of 1011121442 in words is "one billion, eleven million, one hundred twenty-one thousand, four hundred forty-two".