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2011010220121 = 71949147402347
BaseRepresentation
bin11101010000111001100…
…011001100000001011001
321010020202202111222120111
4131100321203030001121
5230422022104020441
64135502332124321
7265201464555130
oct35207143140131
97106682458514
102011010220121
1170595692a161
122858b73066a1
13117839629816
146d494c60917
153749e8da081
hex1d4398cc059

2011010220121 has 8 divisors (see below), whose sum is σ = 2299476628800. Its totient is φ = 1722838620048.

The previous prime is 2011010220073. The next prime is 2011010220133. The reversal of 2011010220121 is 1210220101102.

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

It is not a de Polignac number, because 2011010220121 - 237 = 1873571266649 is a prime.

It is a super-2 number, since 2×20110102201212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011010220181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73687531 + ... + 73714816.

It is an arithmetic number, because the mean of its divisors is an integer number (287434578600).

Almost surely, 22011010220121 is an apocalyptic number.

It is an amenable number.

2011010220121 is a deficient number, since it is larger than the sum of its proper divisors (288466408679).

2011010220121 is a wasteful number, since it uses less digits than its factorization.

2011010220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147404303.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011010220121 its reverse (1210220101102), we get a palindrome (3221230321223).

The spelling of 2011010220121 in words is "two trillion, eleven billion, ten million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 7 1949 13643 147402347 1031816429 287287174303 2011010220121