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1202011220111 = 13239386871973
BaseRepresentation
bin10001011111011101011…
…100111010100010001111
311020220121020011200022012
4101133131130322202033
5124143204333020421
62320110224011435
7152561646535352
oct21373534724217
94226536150265
101202011220111
11423851aa7579
12174b5b160b7b
1389470190090
144226b6a4299
152140156795b
hex117dd73a88f

1202011220111 has 8 divisors (see below), whose sum is σ = 1299889832640. Its totient is φ = 1104906352032.

The previous prime is 1202011220063. The next prime is 1202011220149. The reversal of 1202011220111 is 1110221102021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1202011220111 is a prime.

It is a super-3 number, since 3×12020112201113 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011220611) 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, 193432880 + ... + 193439093.

It is an arithmetic number, because the mean of its divisors is an integer number (162486229080).

Almost surely, 21202011220111 is an apocalyptic number.

1202011220111 is a deficient number, since it is larger than the sum of its proper divisors (97878612529).

1202011220111 is a wasteful number, since it uses less digits than its factorization.

1202011220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386872225.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202011220111 its reverse (1110221102021), we get a palindrome (2312232322132).

The spelling of 1202011220111 in words is "one trillion, two hundred two billion, eleven million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 13 239 3107 386871973 5029335649 92462401547 1202011220111