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1020101222149 is a prime number
BaseRepresentation
bin11101101100000101100…
…01010101111100000101
310121112001121102022102021
432312002301111330011
5113203131403102044
62100343353243141
7133462026215152
oct16660261257405
93545047368367
101020101222149
11363693600689
12145851a034b1
137526c924329
1437531d5b229
151b806328e84
hexed82c55f05

1020101222149 has 2 divisors, whose sum is σ = 1020101222150. Its totient is φ = 1020101222148.

The previous prime is 1020101222117. The next prime is 1020101222213. The reversal of 1020101222149 is 9412221010201.

1020101222149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019580926049 + 520296100 = 1009743^2 + 22810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020101222149 - 25 = 1020101222117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020101222249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510050611074 + 510050611075.

It is an arithmetic number, because the mean of its divisors is an integer number (510050611075).

Almost surely, 21020101222149 is an apocalyptic number.

It is an amenable number.

1020101222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020101222149 is an equidigital number, since it uses as much as digits as its factorization.

1020101222149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1020101222149 in words is "one trillion, twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred forty-nine".