2139122750001 has 8 divisors (see below), whose sum is σ = 2852170688544. Its totient is φ = 1426078322400.

The previous prime is 2139122749993. The next prime is 2139122750041. The reversal of 2139122750001 is 1000572219312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2139122750001 - 2³ = 2139122749993 is a prime.

It is a super-2 number, since 2×2139122750001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2139122750041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355970 + ... + 2473236.

It is an arithmetic number, because the mean of its divisors is an integer number (356521336068).

Almost surely, 2^{2139122750001} is an apocalyptic number.

It is an amenable number.

2139122750001 is a deficient number, since it is larger than the sum of its proper divisors (713047938543).

2139122750001 is a wasteful number, since it uses less digits than its factorization.

2139122750001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755471.

The product of its (nonzero) digits is 7560, while the sum is 33.

Adding to 2139122750001 its reverse (1000572219312), we get a palindrome (3139694969313).

The spelling of 2139122750001 in words is "two trillion, one hundred thirty-nine billion, one hundred twenty-two million, seven hundred fifty thousand, one".