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1010212011111 = 319110971607131
BaseRepresentation
bin11101011001101010101…
…00111111110001100111
310120120112102010100011210
432230311110333301213
5113022403233323421
62052030205202503
7132661665262122
oct16546524776147
93516472110153
101010212011111
1135a479386aa6
12143951b60433
1374354b87374
1436c747d73b9
151b428052576
hexeb3553fc67

1010212011111 has 16 divisors (see below), whose sum is σ = 1355236558848. Its totient is φ = 669337502400.

The previous prime is 1010212011071. The next prime is 1010212011187. The reversal of 1010212011111 is 1111102120101.

It is not a de Polignac number, because 1010212011111 - 211 = 1010212009063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010212019111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174985 + ... + 1432146.

It is an arithmetic number, because the mean of its divisors is an integer number (84702284928).

Almost surely, 21010212011111 is an apocalyptic number.

1010212011111 is a deficient number, since it is larger than the sum of its proper divisors (345024547737).

1010212011111 is a wasteful number, since it uses less digits than its factorization.

1010212011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608422.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1010212011111 its reverse (1111102120101), we get a palindrome (2121314131212).

The spelling of 1010212011111 in words is "one trillion, ten billion, two hundred twelve million, eleven thousand, one hundred eleven".

Divisors: 1 3 191 573 1097 3291 209527 628581 1607131 4821393 306962021 920886063 1763022707 5289068121 336737337037 1010212011111