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1000222201021 = 31277116480983
BaseRepresentation
bin11101000111000011110…
…00111001010010111101
310112121202012112101222111
432203201320321102331
5112341423340413041
62043255025014021
7132156303300301
oct16434170712275
93477665471874
101000222201021
113562123a18aa
12141a24484311
1373422327034
14365a7b67d01
151b041008981
hexe8e1e394bd

1000222201021 has 8 divisors (see below), whose sum is σ = 1036214833664. Its totient is φ = 964462530960.

The previous prime is 1000222200941. The next prime is 1000222201063. The reversal of 1000222201021 is 1201022220001.

It is a happy number.

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 1000222201021 - 27 = 1000222200893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000222200992 and 1000222201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222201091) 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, 58231905 + ... + 58249078.

It is an arithmetic number, because the mean of its divisors is an integer number (129526854208).

Almost surely, 21000222201021 is an apocalyptic number.

It is an amenable number.

1000222201021 is a deficient number, since it is larger than the sum of its proper divisors (35992632643).

1000222201021 is a wasteful number, since it uses less digits than its factorization.

1000222201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116481291.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000222201021 its reverse (1201022220001), we get a palindrome (2201244421022).

The spelling of 1000222201021 in words is "one trillion, two hundred twenty-two million, two hundred one thousand, twenty-one".

Divisors: 1 31 277 8587 116480983 3610910473 32265232291 1000222201021