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100212102121101 = 3389158699541097
BaseRepresentation
bin10110110010010001110010…
…101111111100011010001101
3111010211011221200212122221120
4112302101302233330122031
5101113333341120333401
6553044445411151153
730052041211341165
oct2662216257743215
9433734850778846
10100212102121101
1129a2679413a053
12b2a593a2a54b9
1343bbc64803a09
141aa64122d55a5
15b8bb30437836
hex5b2472bfc68d

100212102121101 has 16 divisors (see below), whose sum is σ = 133960714056000. Its totient is φ = 66635781934208.

The previous prime is 100212102121099. The next prime is 100212102121237. The reversal of 100212102121101 is 101121201212001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100212102121101 - 21 = 100212102121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212102121601) 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, 184931185 + ... + 185472281.

It is an arithmetic number, because the mean of its divisors is an integer number (8372544628500).

Almost surely, 2100212102121101 is an apocalyptic number.

It is an amenable number.

100212102121101 is a deficient number, since it is larger than the sum of its proper divisors (33748611934899).

100212102121101 is a wasteful number, since it uses less digits than its factorization.

100212102121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700188.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100212102121101 its reverse (101121201212001), we get a palindrome (201333303333102).

The spelling of 100212102121101 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, one hundred one".