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2210211212122 = 27115564867691
BaseRepresentation
bin100000001010011010110…
…110101010101101011010
321211021221102022212011001
4200022122312222231122
5242203003032241442
64411205040455214
7315453044216554
oct40123266525532
97737842285131
102210211212122
11782388677871
122b842b31a50a
131305642524a4
1478d90b944d4
153c75cb312b7
hex2029adaab5a

2210211212122 has 8 divisors (see below), whose sum is σ = 3362011421472. Its totient is φ = 1089540738300.

The previous prime is 2210211212113. The next prime is 2210211212129. The reversal of 2210211212122 is 2212121120122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2210211212122.

It is not an unprimeable number, because it can be changed into a prime (2210211212129) 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, 7782433704 + ... + 7782433987.

It is an arithmetic number, because the mean of its divisors is an integer number (420251427684).

Almost surely, 22210211212122 is an apocalyptic number.

2210211212122 is a deficient number, since it is larger than the sum of its proper divisors (1151800209350).

2210211212122 is a wasteful number, since it uses less digits than its factorization.

2210211212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15564867764.

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

Adding to 2210211212122 its reverse (2212121120122), we get a palindrome (4422332332244).

The spelling of 2210211212122 in words is "two trillion, two hundred ten billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 71 142 15564867691 31129735382 1105105606061 2210211212122