2101241243140 has 48 divisors (see below), whose sum is σ = 4766139089712. Its totient is φ = 773540683776.

The previous prime is 2101241243117. The next prime is 2101241243147. The reversal of 2101241243140 is 413421421012.

It can be written as a sum of positive squares in 8 ways, for example, as 41264234496 + 2059977008644 = 203136^2 + 1435262^2 .

It is not an unprimeable number, because it can be changed into a prime (2101241243147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11903029 + ... + 12078268.

It is an arithmetic number, because the mean of its divisors is an integer number (99294564369).

Almost surely, 2^{2101241243140} is an apocalyptic number.

2101241243140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101241243140 is an abundant number, since it is smaller than the sum of its proper divisors (2664897846572).

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

2101241243140 is a wasteful number, since it uses less digits than its factorization.

2101241243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981656 (or 23981654 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2101241243140 its reverse (413421421012), we get a palindrome (2514662664152).

The spelling of 2101241243140 in words is "two trillion, one hundred one billion, two hundred forty-one million, two hundred forty-three thousand, one hundred forty".