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112121022201 = 31391303206351
BaseRepresentation
bin110100001101011101…
…1110000011011111001
3101201101220111001211220
41220122323300123321
53314110440202301
6123301354342253
711046314651436
oct1503273603371
9351356431756
10112121022201
1143606437521
121989112a989
13a75aa68526
1455d8b82b8d
152db3413936
hex1a1aef06f9

112121022201 has 16 divisors (see below), whose sum is σ = 150686484480. Its totient is φ = 74152285200.

The previous prime is 112121022193. The next prime is 112121022229. The reversal of 112121022201 is 102220121211.

It is not a de Polignac number, because 112121022201 - 23 = 112121022193 is a prime.

It is a super-2 number, since 2×1121210222012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121022271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440176 + ... + 646526.

It is an arithmetic number, because the mean of its divisors is an integer number (9417905280).

Almost surely, 2112121022201 is an apocalyptic number.

It is an amenable number.

112121022201 is a deficient number, since it is larger than the sum of its proper divisors (38565462279).

112121022201 is a wasteful number, since it uses less digits than its factorization.

112121022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207796.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112121022201 its reverse (102220121211), we get a palindrome (214341143412).

It can be divided in two parts, 1121210 and 22201, that added together give a palindrome (1143411).

The spelling of 112121022201 in words is "one hundred twelve billion, one hundred twenty-one million, twenty-two thousand, two hundred one".

Divisors: 1 3 139 417 1303 3909 181117 206351 543351 619053 28682789 86048367 268875353 806626059 37373674067 112121022201