2101231240004 has 24 divisors (see below), whose sum is σ = 4000837604568. Its totient is φ = 959801103360.

The previous prime is 2101231239983. The next prime is 2101231240019. The reversal of 2101231240004 is 4000421321012.

It can be written as a sum of positive squares in 4 ways, for example, as 36699064900 + 2064532175104 = 191570^2 + 1436848^2 .

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, 208285127 + ... + 208295214.

It is an arithmetic number, because the mean of its divisors is an integer number (166701566857).

Almost surely, 2^{2101231240004} is an apocalyptic number.

It is an amenable number.

2101231240004 is a deficient number, since it is larger than the sum of its proper divisors (1899606364564).

2101231240004 is a wasteful number, since it uses less digits than its factorization.

2101231240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416580455 (or 416580453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2101231240004 its reverse (4000421321012), we get a palindrome (6101652561016).

The spelling of 2101231240004 in words is "two trillion, one hundred one billion, two hundred thirty-one million, two hundred forty thousand, four".