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202111220110010 = 2520211122011001
BaseRepresentation
bin101101111101000110101111…
…011110101101001010111010
3222111121122101102201220012012
4231331012233132231022322
5202442342234322010020
61553504340203245522
760400024306206221
oct5575065736551272
9874548342656165
10202111220110010
11594429837a5a22
121a8026128198a2
1388a1010a35b23
1437ca34173dcb8
15185759b3237c5
hexb7d1af7ad2ba

202111220110010 has 8 divisors (see below), whose sum is σ = 363800196198036. Its totient is φ = 80844488044000.

The previous prime is 202111220110001. The next prime is 202111220110031. The reversal of 202111220110010 is 10011022111202.

It can be written as a sum of positive squares in 2 ways, for example, as 199020399436681 + 3090820673329 = 14107459^2 + 1758073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10105561005491 + ... + 10105561005510.

Almost surely, 2202111220110010 is an apocalyptic number.

202111220110010 is a deficient number, since it is larger than the sum of its proper divisors (161688976088026).

202111220110010 is a wasteful number, since it uses less digits than its factorization.

202111220110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211122011008.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202111220110010 its reverse (10011022111202), we get a palindrome (212122242221212).

The spelling of 202111220110010 in words is "two hundred two trillion, one hundred eleven billion, two hundred twenty million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 20211122011001 40422244022002 101055610055005 202111220110010