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1111102142242 = 21979493678391
BaseRepresentation
bin10000001010110010110…
…110010011011100100010
310221012221121201000210011
4100022302312103130202
5121201014122022432
62210233330555134
7143163101244121
oct20126266233442
93835847630704
101111102142242
11399241213864
1215b409a38aaa
1380a12c16501
143bac5b65ab8
151dd804b9847
hex102b2d93722

1111102142242 has 16 divisors (see below), whose sum is σ = 1754592984000. Its totient is φ = 526245186960.

The previous prime is 1111102142219. The next prime is 1111102142251. The reversal of 1111102142242 is 2422412011111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537134 + ... + 2141257.

It is an arithmetic number, because the mean of its divisors is an integer number (109662061500).

Almost surely, 21111102142242 is an apocalyptic number.

1111102142242 is a deficient number, since it is larger than the sum of its proper divisors (643490841758).

1111102142242 is a wasteful number, since it uses less digits than its factorization.

1111102142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686361.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1111102142242 its reverse (2422412011111), we get a palindrome (3533514153353).

The spelling of 1111102142242 in words is "one trillion, one hundred eleven billion, one hundred two million, one hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 19 38 7949 15898 151031 302062 3678391 7356782 69889429 139778858 29239530059 58479060118 555551071121 1111102142242