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1122211112201 = 23157667309461
BaseRepresentation
bin10000010101001000111…
…111101010010100001001
310222021121211012011200222
4100111020333222110021
5121341242021042301
62215311530435425
7144035303031464
oct20251077522411
93867554164628
101122211112201
113a2a21a0a373
121615aa292b75
1381a935a540a
143c45b2c02db
151e2d08d131b
hex10548fea509

1122211112201 has 8 divisors (see below), whose sum is σ = 1171014110784. Its totient is φ = 1073409047920.

The previous prime is 1122211112179. The next prime is 1122211112207. The reversal of 1122211112201 is 1022111122211.

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-1122211112201 is a prime.

It is a super-2 number, since 2×11222111122012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122211112201.

It is not an unprimeable number, because it can be changed into a prime (1122211112207) 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, 3471611 + ... + 3781071.

It is an arithmetic number, because the mean of its divisors is an integer number (146376763848).

Almost surely, 21122211112201 is an apocalyptic number.

It is an amenable number.

1122211112201 is a deficient number, since it is larger than the sum of its proper divisors (48802998583).

1122211112201 is a wasteful number, since it uses less digits than its factorization.

1122211112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467151.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1122211112201 its reverse (1022111122211), we get a palindrome (2144322234412).

The spelling of 1122211112201 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, two hundred one".

Divisors: 1 23 157667 309461 3626341 7117603 48791787487 1122211112201