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2010221120121 = 3670073706707
BaseRepresentation
bin11101010000001010100…
…001000000101001111001
321010011201202200112212120
4131100022201000221321
5230413413101320441
64135252143031453
7265143103410054
oct35201241005171
97104652615776
102010221120121
117055914636a5
12285716b9b589
13117741cc2046
146d41c131a9b
15374554b7966
hex1d40a840a79

2010221120121 has 4 divisors (see below), whose sum is σ = 2680294826832. Its totient is φ = 1340147413412.

The previous prime is 2010221120113. The next prime is 2010221120143. The reversal of 2010221120121 is 1210211220102.

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 2010221120121 - 23 = 2010221120113 is a prime.

It is a super-2 number, since 2×20102211201212 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2010221120121.

It is not an unprimeable number, because it can be changed into a prime (2010221120521) 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, 335036853351 + ... + 335036853356.

It is an arithmetic number, because the mean of its divisors is an integer number (670073706708).

Almost surely, 22010221120121 is an apocalyptic number.

It is an amenable number.

2010221120121 is a deficient number, since it is larger than the sum of its proper divisors (670073706711).

2010221120121 is an equidigital number, since it uses as much as digits as its factorization.

2010221120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670073706710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2010221120121 its reverse (1210211220102), we get a palindrome (3220432340223).

The spelling of 2010221120121 in words is "two trillion, ten billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 3 670073706707 2010221120121