2101279277241 has 27 divisors (see below), whose sum is σ = 3048131988837. Its totient is φ = 1394900880120.

The previous prime is 2101279277189. The next prime is 2101279277269. The reversal of 2101279277241 is 1427729721012.

It is a happy number.

The square root of 2101279277241 is 1449579.

It is a perfect power (a square), and thus also a powerful number.

2101279277241 is a `hidden beast` number, since 2 + 10 + 127 + 9 + 277 + 241 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2101279277241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101279273241) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1178506836 + ... + 1178508618.

Almost surely, 2^{2101279277241} is an apocalyptic number.

2101279277241 is the 1449579-th square number.

2101279277241 is the 724790-th centered octagonal number.

It is an amenable number.

2101279277241 is a deficient number, since it is larger than the sum of its proper divisors (946852711596).

2101279277241 is an frugal number, since it uses more digits than its factorization.

2101279277241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The spelling of 2101279277241 in words is "two trillion, one hundred one billion, two hundred seventy-nine million, two hundred seventy-seven thousand, two hundred forty-one".