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10102111021001 = 17956436374419
BaseRepresentation
bin1001001100000001010010…
…1111010010011111001001
31022202202022111010120111002
42103000110233102133021
52311003110410133001
633252502402344345
72061565504611056
oct223002457223711
938682274116432
1010102111021001
11324531034547a
121171a3465b0b5
135838181142cc
1426cd326a802d
15127ba467046b
hex93014bd27c9

10102111021001 has 4 divisors (see below), whose sum is σ = 10158547395600. Its totient is φ = 10045674646404.

The previous prime is 10102111020901. The next prime is 10102111021019. The reversal of 10102111021001 is 10012011120101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10102111021001 - 234 = 10084931151817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102111021081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28218187031 + ... + 28218187388.

It is an arithmetic number, because the mean of its divisors is an integer number (2539636848900).

Almost surely, 210102111021001 is an apocalyptic number.

It is an amenable number.

10102111021001 is a deficient number, since it is larger than the sum of its proper divisors (56436374599).

10102111021001 is an equidigital number, since it uses as much as digits as its factorization.

10102111021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56436374598.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10102111021001 its reverse (10012011120101), we get a palindrome (20114122141102).

The spelling of 10102111021001 in words is "ten trillion, one hundred two billion, one hundred eleven million, twenty-one thousand, one".

Divisors: 1 179 56436374419 10102111021001