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2100020222111 = 72062031454891
BaseRepresentation
bin11110100011110010111…
…101011001100010011111
321102202112000112120201212
4132203302331121202133
5233401320134101421
64244422545255035
7304502313236120
oct36436275314237
97382460476655
102100020222111
1173a682739079
1229abb863447b
13123053304356
14738da496047
153995ddade5b
hex1e8f2f5989f

2100020222111 has 8 divisors (see below), whose sum is σ = 2400036399744. Its totient is φ = 1800007366680.

The previous prime is 2100020222101. The next prime is 2100020222149. The reversal of 2100020222111 is 1112220200012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2100020222111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100020222101) 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, 715976 + ... + 2170866.

It is an arithmetic number, because the mean of its divisors is an integer number (300004549968).

Almost surely, 22100020222111 is an apocalyptic number.

2100020222111 is a deficient number, since it is larger than the sum of its proper divisors (300016177633).

2100020222111 is a wasteful number, since it uses less digits than its factorization.

2100020222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661101.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2100020222111 its reverse (1112220200012), we get a palindrome (3212240422123).

The spelling of 2100020222111 in words is "two trillion, one hundred billion, twenty million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 7 206203 1443421 1454891 10184237 300002888873 2100020222111