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1111122220201 = 71011571601443
BaseRepresentation
bin10000001010110100000…
…010111001010010101001
310221020000000111002120021
4100022310002321102221
5121201034242021301
62210235325200441
7143163434016340
oct20126402712251
93836000432507
101111122220201
11399251587714
1215b414700121
1380a17126266
143bac86b0b57
151dd821338a1
hex102b40b94a9

1111122220201 has 8 divisors (see below), whose sum is σ = 1282426778304. Its totient is φ = 942960865200.

The previous prime is 1111122220199. The next prime is 1111122220259. The reversal of 1111122220201 is 1020222211111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111122220201 - 21 = 1111122220199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111122220291) 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, 785800015 + ... + 785801428.

It is an arithmetic number, because the mean of its divisors is an integer number (160303347288).

Almost surely, 21111122220201 is an apocalyptic number.

It is an amenable number.

1111122220201 is a deficient number, since it is larger than the sum of its proper divisors (171304558103).

1111122220201 is a wasteful number, since it uses less digits than its factorization.

1111122220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571601551.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111122220201 its reverse (1020222211111), we get a palindrome (2131344431312).

The spelling of 1111122220201 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".

Divisors: 1 7 101 707 1571601443 11001210101 158731745743 1111122220201