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1202102211121 = 72373320931873
BaseRepresentation
bin10001011111100010111…
…000000001001000110001
311020220211120101111111121
4101133202320001020301
5124143401131223441
62320123234142241
7152564133126310
oct21374270011061
94226746344447
101202102211121
114238993a5459
12174b85721981
1389485c9b106
14422797cc277
152140953cdd1
hex117e2e01231

1202102211121 has 32 divisors (see below), whose sum is σ = 1453699192320. Its totient is φ = 971740053504.

The previous prime is 1202102211119. The next prime is 1202102211161. The reversal of 1202102211121 is 1211122012021.

Adding to 1202102211121 its reverse (1211122012021), we get a palindrome (2413224223142).

It is a cyclic number.

It is not a de Polignac number, because 1202102211121 - 21 = 1202102211119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202102211095 and 1202102211104.

It is not an unprimeable number, because it can be changed into a prime (1202102211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37699441 + ... + 37731313.

It is an arithmetic number, because the mean of its divisors is an integer number (45428099760).

Almost surely, 21202102211121 is an apocalyptic number.

It is an amenable number.

1202102211121 is a deficient number, since it is larger than the sum of its proper divisors (251596981199).

1202102211121 is a wasteful number, since it uses less digits than its factorization.

1202102211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35185.

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

The spelling of 1202102211121 in words is "one trillion, two hundred two billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 7 23 73 161 511 1679 3209 11753 22463 31873 73807 223111 234257 516649 733079 1639799 2326729 5131553 5387911 16287103 37715377 53514767 102280457 374603369 715963199 2352450511 7466473361 16467153577 52265313527 171728887303 1202102211121