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1111211202112 = 26111578425003
BaseRepresentation
bin10000001010111001010…
…110010101011001000000
310221020020012220211210121
4100022321112111121000
5121201230031431422
62210252224310024
7143165564241664
oct20127126253100
93836205824717
101111211202112
11399297833090
1215b43a472314
1380a2c6ac98b
143bad64348a4
151dd89d5d8c7
hex102b9595640

1111211202112 has 28 divisors (see below), whose sum is σ = 2405519706096. Its totient is φ = 505096000640.

The previous prime is 1111211202083. The next prime is 1111211202149. The reversal of 1111211202112 is 2112021121111.

It is a super-2 number, since 2×11112112021122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789211798 + ... + 789213205.

Almost surely, 21111211202112 is an apocalyptic number.

It is an amenable number.

1111211202112 is an abundant number, since it is smaller than the sum of its proper divisors (1294308503984).

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

1111211202112 is a wasteful number, since it uses less digits than its factorization.

1111211202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578425026 (or 1578425016 counting only the distinct ones).

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

Adding to 1111211202112 its reverse (2112021121111), we get a palindrome (3223232323223).

It can be divided in two parts, 1111 and 211202112, that multiplied together give a palindrome (234645546432).

The spelling of 1111211202112 in words is "one trillion, one hundred eleven billion, two hundred eleven million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 1578425003 3156850006 6313700012 12627400024 17362675033 25254800048 34725350066 50509600096 69450700132 101019200192 138901400264 277802800528 555605601056 1111211202112