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2011102202021 = 11792465993851
BaseRepresentation
bin11101010000111111000…
…010000100100010100101
321010021000011121011000112
4131100333002010202211
5230422214130431041
64135515415422405
7265203662444003
oct35207702044245
97107004534015
102011102202021
117059a3844560
12285922084a05
131178526c3893
146d4a3165a73
15374a7a08deb
hex1d43f0848a5

2011102202021 has 16 divisors (see below), whose sum is σ = 2221814707200. Its totient is φ = 1805039574000.

The previous prime is 2011102201973. The next prime is 2011102202063. The reversal of 2011102202021 is 1202022011102.

It is a cyclic number.

It is not a de Polignac number, because 2011102202021 - 26 = 2011102201957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011102201987 and 2011102202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102201021) 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, 21381746 + ... + 21475596.

It is an arithmetic number, because the mean of its divisors is an integer number (138863419200).

Almost surely, 22011102202021 is an apocalyptic number.

It is an amenable number.

2011102202021 is a deficient number, since it is larger than the sum of its proper divisors (210712505179).

2011102202021 is a wasteful number, since it uses less digits than its factorization.

2011102202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118600.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011102202021 its reverse (1202022011102), we get a palindrome (3213124213123).

The spelling of 2011102202021 in words is "two trillion, eleven billion, one hundred two million, two hundred two thousand, twenty-one".

Divisors: 1 11 79 869 24659 93851 271249 1032361 1948061 7414229 21428671 81556519 2314271809 25456989899 182827472911 2011102202021