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1011210101131 = 4912059491041
BaseRepresentation
bin11101011011100001101…
…00011010000110001011
310120200002222012120021211
432231300310122012023
5113031424241214011
62052313221513551
7133025505016426
oct16556064320613
93520088176254
101011210101131
1135a94081588a
12143b902728b7
13744838a6089
1436d2b1a89bd
151b4859a7b21
hexeb70d1a18b

1011210101131 has 4 divisors (see below), whose sum is σ = 1013269592664. Its totient is φ = 1009150609600.

The previous prime is 1011210101129. The next prime is 1011210101137. The reversal of 1011210101131 is 1311010121101.

1011210101131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011210101131 - 21 = 1011210101129 is a prime.

It is a super-2 number, since 2×10112101011312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011210101137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029745030 + ... + 1029746011.

It is an arithmetic number, because the mean of its divisors is an integer number (253317398166).

Almost surely, 21011210101131 is an apocalyptic number.

1011210101131 is a deficient number, since it is larger than the sum of its proper divisors (2059491533).

1011210101131 is an equidigital number, since it uses as much as digits as its factorization.

1011210101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059491532.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1011210101131 its reverse (1311010121101), we get a palindrome (2322220222232).

The spelling of 1011210101131 in words is "one trillion, eleven billion, two hundred ten million, one hundred one thousand, one hundred thirty-one".

Divisors: 1 491 2059491041 1011210101131