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1220202200111 = 4148776102323
BaseRepresentation
bin10001110000011001101…
…101111111110000101111
311022122112222201012122012
4101300121231333300233
5124442433230400421
62332315251511435
7154104514366436
oct21603155776057
94278488635565
101220202200111
11430537371044
121785972b857b
138b0abb3a17b
14430b560611d
1521b1859795b
hex11c19b7fc2f

1220202200111 has 8 divisors (see below), whose sum is σ = 1250219731824. Its totient is φ = 1190196882880.

The previous prime is 1220202200099. The next prime is 1220202200137. The reversal of 1220202200111 is 1110022020221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220202200111 - 26 = 1220202200047 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 (1220202200011) 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, 2851205 + ... + 3251118.

It is an arithmetic number, because the mean of its divisors is an integer number (156277466478).

Almost surely, 21220202200111 is an apocalyptic number.

1220202200111 is a deficient number, since it is larger than the sum of its proper divisors (30017531713).

1220202200111 is an equidigital number, since it uses as much as digits as its factorization.

1220202200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107241.

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

Adding to 1220202200111 its reverse (1110022020221), we get a palindrome (2330224220332).

The spelling of 1220202200111 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred thousand, one hundred eleven".

Divisors: 1 41 4877 199957 6102323 250195243 29761029271 1220202200111