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1120201220231 = 4612429937571
BaseRepresentation
bin10000010011010001001…
…100100010000010000111
310222002102202020002020122
4100103101030202002013
5121323133003021411
62214340251452155
7143634426160232
oct20232114420207
93862382202218
101120201220231
113a2090426825
1216112915705b
1381833076722
143c30a3ac419
151e2142179db
hex104d1322087

1120201220231 has 4 divisors (see below), whose sum is σ = 1122631158264. Its totient is φ = 1117771282200.

The previous prime is 1120201220189. The next prime is 1120201220233. The reversal of 1120201220231 is 1320221020211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120201220231 is a prime.

It is a super-2 number, since 2×11202012202312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120201220233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214968325 + ... + 1214969246.

It is an arithmetic number, because the mean of its divisors is an integer number (280657789566).

Almost surely, 21120201220231 is an apocalyptic number.

1120201220231 is a deficient number, since it is larger than the sum of its proper divisors (2429938033).

1120201220231 is an equidigital number, since it uses as much as digits as its factorization.

1120201220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429938032.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1120201220231 its reverse (1320221020211), we get a palindrome (2440422240442).

The spelling of 1120201220231 in words is "one trillion, one hundred twenty billion, two hundred one million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 461 2429937571 1120201220231