Search a number
-
+
1121210111202 = 238917911729857
BaseRepresentation
bin10000010100001101010…
…101001001010011100010
310222012001001122001110220
4100110031111021103202
5121332214242024302
62215024331503510
7144001426461306
oct20241525112342
93865031561426
101121210111202
113a2558972515
1216136abb7b96
13819640a772c
143c3a4391d06
151e272aa34bc
hex1050d5494e2

1121210111202 has 32 divisors (see below), whose sum is σ = 2280284395200. Its totient is φ = 367472928768.

The previous prime is 1121210111137. The next prime is 1121210111221. The reversal of 1121210111202 is 2021110121211.

It is a happy number.

It is a super-2 number, since 2×11212101112022 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5769343 + ... + 5960514.

It is an arithmetic number, because the mean of its divisors is an integer number (71258887350).

Almost surely, 21121210111202 is an apocalyptic number.

1121210111202 is an abundant number, since it is smaller than the sum of its proper divisors (1159074283998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121210111202 is a wasteful number, since it uses less digits than its factorization.

1121210111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730130.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121210111202 its reverse (2021110121211), we get a palindrome (3142320232413).

The spelling of 1121210111202 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 3 6 89 178 179 267 358 534 537 1074 15931 31862 47793 95586 11729857 23459714 35189571 70379142 1043957273 2087914546 2099644403 3131871819 4199288806 6263743638 6298933209 12597866418 186868351867 373736703734 560605055601 1121210111202