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1220112002210 = 25223547135427
BaseRepresentation
bin10001110000010100010…
…101111010110010100010
311022122022200222200101012
4101300110111322302202
5124442242133032320
62332302310340522
7154102340621003
oct21602425726242
94278280880335
101220112002210
114304a0465022
1217857105a742
138b09624912a
14430a76471aa
1521b106cc4c5
hex11c1457aca2

1220112002210 has 16 divisors (see below), whose sum is σ = 2206050045696. Its totient is φ = 485856258288.

The previous prime is 1220112002201. The next prime is 1220112002299. The reversal of 1220112002210 is 122002110221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273565484 + ... + 273569943.

It is an arithmetic number, because the mean of its divisors is an integer number (137878127856).

Almost surely, 21220112002210 is an apocalyptic number.

1220112002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220112002210 is a deficient number, since it is larger than the sum of its proper divisors (985938043486).

1220112002210 is a wasteful number, since it uses less digits than its factorization.

1220112002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547135657.

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

Adding to 1220112002210 its reverse (122002110221), we get a palindrome (1342114112431).

The spelling of 1220112002210 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two thousand, two hundred ten".

Divisors: 1 2 5 10 223 446 1115 2230 547135427 1094270854 2735677135 5471354270 122011200221 244022400442 610056001105 1220112002210