1021113402 has 32 divisors (see below), whose sum is σ = 2109972480. Its totient is φ = 329099760.

The previous prime is 1021113397. The next prime is 1021113439. The reversal of 1021113402 is 2043111201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330099 + ... + 333177.

It is an arithmetic number, because the mean of its divisors is an integer number (65936640).

Almost surely, 2^1021113402 is an apocalyptic number.

1021113402 is an abundant number, since it is smaller than the sum of its proper divisors (1088859078).

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

1021113402 is a wasteful number, since it uses less digits than its factorization.

1021113402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1021113402 is about 31954.8650756031. The cubic root of 1021113402 is about 1006.9888429533.

Adding to 1021113402 its reverse (2043111201), we get a palindrome (3064224603).

The spelling of 1021113402 in words is "one billion, twenty-one million, one hundred thirteen thousand, four hundred two".