2101401402 has 24 divisors (see below), whose sum is σ = 4342762368. Its totient is φ = 677869560.

The previous prime is 2101401377. The next prime is 2101401437. The reversal of 2101401402 is 2041041012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176458 + ... + 187989.

It is an arithmetic number, because the mean of its divisors is an integer number (180948432).

Almost surely, 2^2101401402 is an apocalyptic number.

2101401402 is an abundant number, since it is smaller than the sum of its proper divisors (2241360966).

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

2101401402 is a wasteful number, since it uses less digits than its factorization.

2101401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364514 (or 364483 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2101401402 is about 45841.0449488229. The cubic root of 2101401402 is about 1280.8639597732.

Adding to 2101401402 its reverse (2041041012), we get a palindrome (4142442414).

The spelling of 2101401402 in words is "two billion, one hundred one million, four hundred one thousand, four hundred two".