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1121010212101 = 13196767738849
BaseRepresentation
bin10000010100000001011…
…010100101110100000101
310222011112010111010110111
4100110001122211310011
5121331312103241401
62214552431153021
7143663451404143
oct20240132456405
93864463433414
101121010212101
113a246604934a
12161314075771
1381931857340
143c3859d8593
151e260268e51
hex105016a5d05

1121010212101 has 16 divisors (see below), whose sum is σ = 1289747704000. Its totient is φ = 965685017088.

The previous prime is 1121010212093. The next prime is 1121010212149. The reversal of 1121010212101 is 1012120101211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121010212101 - 23 = 1121010212093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121010212171) 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, 33852876 + ... + 33885973.

It is an arithmetic number, because the mean of its divisors is an integer number (80609231500).

Almost surely, 21121010212101 is an apocalyptic number.

It is an amenable number.

1121010212101 is a deficient number, since it is larger than the sum of its proper divisors (168737491899).

1121010212101 is a wasteful number, since it uses less digits than its factorization.

1121010212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67738948.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121010212101 its reverse (1012120101211), we get a palindrome (2133130313312).

The spelling of 1121010212101 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred twelve thousand, one hundred one".

Divisors: 1 13 19 67 247 871 1273 16549 67738849 880605037 1287038131 4538502883 16731495703 59000537479 86231554777 1121010212101