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102221211222001 = 1631371474572641
BaseRepresentation
bin10111001111100000111010…
…111110111011111111110001
3111101221020210222002210020001
4113033200322332323333301
5101344243020033101001
61001223435351550001
730350144623045564
oct2717407276737761
9441836728083201
10102221211222001
112a6308549191a3
12b56b1a498b301
13450655a2c7401
141b3576687a4db
15bc401ce93001
hex5cf83afbbff1

102221211222001 has 8 divisors (see below), whose sum is σ = 102849107622624. Its totient is φ = 101593324241280.

The previous prime is 102221211221989. The next prime is 102221211222019. The reversal of 102221211222001 is 100222112122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102221211222001 - 215 = 102221211189233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102221211222001.

It is not an unprimeable number, because it can be changed into a prime (102221211222401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20068641 + ... + 24641281.

It is an arithmetic number, because the mean of its divisors is an integer number (12856138452828).

Almost surely, 2102221211222001 is an apocalyptic number.

It is an amenable number.

102221211222001 is a deficient number, since it is larger than the sum of its proper divisors (627896400623).

102221211222001 is a wasteful number, since it uses less digits than its factorization.

102221211222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709951.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102221211222001 its reverse (100222112122201), we get a palindrome (202443323344202).

The spelling of 102221211222001 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, one".

Divisors: 1 163 137147 4572641 22354961 745340483 627123995227 102221211222001