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10211012100001 = 7122025592561
BaseRepresentation
bin1001010010010110111110…
…1111111011111110100001
31100011011101222201120122101
42110211233233323332201
52314244123044200001
633414512454410401
72102502253531156
oct224455757737641
940134358646571
1010211012100001
113287514147a09
12118ab67360a01
13590b81a4a6ab
1427430395022d
1512a92a046a01
hex9496fbfbfa1

10211012100001 has 6 divisors (see below), whose sum is σ = 10356854769506. Its totient is φ = 10067195023200.

The previous prime is 10211012099999. The next prime is 10211012100053. The reversal of 10211012100001 is 10000121011201.

It can be written as a sum of positive squares in only one way, i.e., 8690232326400 + 1520779773601 = 2947920^2 + 1233199^2 .

It is not a de Polignac number, because 10211012100001 - 21 = 10211012099999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211012100061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1012791240 + ... + 1012801321.

Almost surely, 210211012100001 is an apocalyptic number.

It is an amenable number.

10211012100001 is a deficient number, since it is larger than the sum of its proper divisors (145842669505).

10211012100001 is an frugal number, since it uses more digits than its factorization.

10211012100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025592703 (or 2025592632 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10211012100001 its reverse (10000121011201), we get a palindrome (20211133111202).

The spelling of 10211012100001 in words is "ten trillion, two hundred eleven billion, twelve million, one hundred thousand, one".

Divisors: 1 71 5041 2025592561 143817071831 10211012100001