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101221121332 = 2231380847541
BaseRepresentation
bin101111001000100111…
…1111011110100110100
3100200021021101201210201
41132101033323310310
53124300101340312
6114300023530244
710212232223002
oct1362117736464
9320237351721
10101221121332
1139a22758691
121774a8b9984
1397117ba846
144c832cba72
152976548557
hex17913fbd34

101221121332 has 12 divisors (see below), whose sum is σ = 177702897316. Its totient is φ = 50448864960.

The previous prime is 101221121329. The next prime is 101221121363. The reversal of 101221121332 is 233121122101.

It can be written as a sum of positive squares in 2 ways, for example, as 28646916516 + 72574204816 = 169254^2 + 269396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40422519 + ... + 40425022.

Almost surely, 2101221121332 is an apocalyptic number.

It is an amenable number.

101221121332 is a deficient number, since it is larger than the sum of its proper divisors (76481775984).

101221121332 is a wasteful number, since it uses less digits than its factorization.

101221121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80847858 (or 80847856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101221121332 its reverse (233121122101), we get a palindrome (334342243433).

The spelling of 101221121332 in words is "one hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 313 626 1252 80847541 161695082 323390164 25305280333 50610560666 101221121332