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1102321203221 = 7315593190823
BaseRepresentation
bin10000000010100111011…
…101101011100000010101
310220101021122211002221102
4100002213131223200111
5121030023212000341
62202222132555445
7142432355425610
oct20024735534025
93811248732842
101102321203221
11395545644367
12159779182b85
137cc439653c4
143b4d1895177
151da1965ec9b
hex100a776b815

1102321203221 has 16 divisors (see below), whose sum is σ = 1300471799808. Its totient is φ = 914341402800.

The previous prime is 1102321203169. The next prime is 1102321203293. The reversal of 1102321203221 is 1223021232011.

It is a de Polignac number, because none of the positive numbers 2k-1102321203221 is a prime.

It is a super-2 number, since 2×11023212032212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102321203193 and 1102321203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102321205221) 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, 12091616 + ... + 12182438.

It is an arithmetic number, because the mean of its divisors is an integer number (81279487488).

Almost surely, 21102321203221 is an apocalyptic number.

It is an amenable number.

1102321203221 is a deficient number, since it is larger than the sum of its proper divisors (198150596587).

1102321203221 is an equidigital number, since it uses as much as digits as its factorization.

1102321203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146792.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1102321203221 its reverse (1223021232011), we get a palindrome (2325342435232).

The spelling of 1102321203221 in words is "one trillion, one hundred two billion, three hundred twenty-one million, two hundred three thousand, two hundred twenty-one".

Divisors: 1 7 31 217 55931 90823 391517 635761 1733861 2815513 12137027 19708591 5079821213 35558748491 157474457603 1102321203221