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2212111000001 = 736449303207
BaseRepresentation
bin100000001100001100000…
…101110010000111000001
321211110211211010002012002
4200030030011302013001
5242220400404000001
64412121343513345
7315551113154000
oct40141405620701
97743754102162
102212111000001
11783172a985a1
122b887b5b8855
131307a7a10626
14790d1204c37
153c81e7eb46b
hex2030c1721c1

2212111000001 has 8 divisors (see below), whose sum is σ = 2579721283200. Its totient is φ = 1896095142564.

The previous prime is 2212110999991. The next prime is 2212111000031. The reversal of 2212111000001 is 1000001112122.

It is not a de Polignac number, because 2212111000001 - 238 = 1937233093057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212111000031) 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, 3224651261 + ... + 3224651946.

It is an arithmetic number, because the mean of its divisors is an integer number (322465160400).

Almost surely, 22212111000001 is an apocalyptic number.

It is an amenable number.

2212111000001 is a deficient number, since it is larger than the sum of its proper divisors (367610283199).

2212111000001 is an frugal number, since it uses more digits than its factorization.

2212111000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449303228 (or 6449303214 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2212111000001 its reverse (1000001112122), we get a palindrome (3212112112123).

The spelling of 2212111000001 in words is "two trillion, two hundred twelve billion, one hundred eleven million, one", and thus it is an aban number.

Divisors: 1 7 49 343 6449303207 45145122449 316015857143 2212111000001