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1120233031221 = 38814013105619
BaseRepresentation
bin10000010011010011000…
…101111000011000110101
310222002111222002020201110
4100103103011320120311
5121323214123444341
62214343345345233
7143635263440523
oct20232305703065
93862458066643
101120233031221
113a20a73838a7
12161137938219
1381839833ab5
143c3106cd313
151e216ded216
hex104d3178635

1120233031221 has 16 divisors (see below), whose sum is σ = 1495726223040. Its totient is φ = 745781372160.

The previous prime is 1120233031217. The next prime is 1120233031223. The reversal of 1120233031221 is 1221303320211.

It is not a de Polignac number, because 1120233031221 - 22 = 1120233031217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120233031223) 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, 10553550 + ... + 10659168.

It is an arithmetic number, because the mean of its divisors is an integer number (93482888940).

Almost surely, 21120233031221 is an apocalyptic number.

It is an amenable number.

1120233031221 is a deficient number, since it is larger than the sum of its proper divisors (375493191819).

1120233031221 is a wasteful number, since it uses less digits than its factorization.

1120233031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110516.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1120233031221 its reverse (1221303320211), we get a palindrome (2341536351432).

The spelling of 1120233031221 in words is "one trillion, one hundred twenty billion, two hundred thirty-three million, thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 881 2643 4013 12039 105619 316857 3535453 10606359 93050339 279151017 423849047 1271547141 373411010407 1120233031221