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BaseRepresentation
bin100000000001111101000…
…110100010010100110010
321210102110222121012002220
4200001331012202110302
5242030344230333020
64403103114021510
7315011600216631
oct40017506422462
97712428535086
102201122121010
1177954406611a
122b6713417896
1312c7461aab77
147876b9cb518
153c3c9c07240
hex2007d1a2532

2201122121010 has 64 divisors (see below), whose sum is σ = 5308209884160. Its totient is φ = 584137373120.

The previous prime is 2201122120903. The next prime is 2201122121047. The reversal of 2201122121010 is 101212211022.

Adding to 2201122121010 its reverse (101212211022), we get a palindrome (2302334332032).

It is a super-4 number, since 4×22011221210104 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5079949 + ... + 5496191.

It is an arithmetic number, because the mean of its divisors is an integer number (82940779440).

Almost surely, 22201122121010 is an apocalyptic number.

2201122121010 is an abundant number, since it is smaller than the sum of its proper divisors (3107087763150).

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

2201122121010 is a wasteful number, since it uses less digits than its factorization.

2201122121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417103.

The product of its (nonzero) digits is 32, while the sum is 15.

The spelling of 2201122121010 in words is "two trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, ten".