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101121331951 is a prime number
BaseRepresentation
bin101111000101101001…
…1010001001011101111
3100200000022121220111201
41132023103101023233
53124044030110301
6114242101030331
710206611065603
oct1361323211357
9320008556451
10101121331951
11399813a0422
12177213b53a7
1396c6c1bb83
144c73d53503
15296c8d6201
hex178b4d12ef

101121331951 has 2 divisors, whose sum is σ = 101121331952. Its totient is φ = 101121331950.

The previous prime is 101121331907. The next prime is 101121331957. The reversal of 101121331951 is 159133121101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101121331951 - 27 = 101121331823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101121331957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560665975 + 50560665976.

It is an arithmetic number, because the mean of its divisors is an integer number (50560665976).

Almost surely, 2101121331951 is an apocalyptic number.

101121331951 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121331951 is an equidigital number, since it uses as much as digits as its factorization.

101121331951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 28.

The spelling of 101121331951 in words is "one hundred one billion, one hundred twenty-one million, three hundred thirty-one thousand, nine hundred fifty-one".