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2100201221010 = 235235129777417
BaseRepresentation
bin11110100011111101101…
…111110110101110010010
321102202222122010021112210
4132203331233312232102
5233402203003033020
64244452532532550
7304506641554524
oct36437557665622
97382878107483
102100201221010
1173a765923242
1229b049181156
13123081967aa9
147391652da14
153996ec133e0
hex1e8fdbf6b92

2100201221010 has 32 divisors (see below), whose sum is σ = 5042627073792. Its totient is φ = 559815420800.

The previous prime is 2100201221009. The next prime is 2100201221017. The reversal of 2100201221010 is 101221020012.

It is not an unprimeable number, because it can be changed into a prime (2100201221017) 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, 14818179 + ... + 14959238.

It is an arithmetic number, because the mean of its divisors is an integer number (157582096056).

Almost surely, 22100201221010 is an apocalyptic number.

2100201221010 is an abundant number, since it is smaller than the sum of its proper divisors (2942425852782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100201221010 is a wasteful number, since it uses less digits than its factorization.

2100201221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29779778.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100201221010 its reverse (101221020012), we get a palindrome (2201422241022).

The spelling of 2100201221010 in words is "two trillion, one hundred billion, two hundred one million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 2351 4702 7053 11755 14106 23510 35265 70530 29777417 59554834 89332251 148887085 178664502 297774170 446661255 893322510 70006707367 140013414734 210020122101 350033536835 420040244202 700067073670 1050100610505 2100201221010