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100220220210001 = 312132111573281
BaseRepresentation
bin10110110010011001010110…
…100111111111101101010001
3111010211221220110111022100211
4112302121112213333231101
5101114002002333210001
6553052311130044121
730052446325062643
oct2662312647775521
9433757813438324
10100220220210001
1129a2a17a633431
12b2a7424b79641
1343bc959651c08
141aa698253c893
15b8be57eac351
hex5b26569ffb51

100220220210001 has 4 divisors (see below), whose sum is σ = 100252331786404. Its totient is φ = 100188108633600.

The previous prime is 100220220209951. The next prime is 100220220210017. The reversal of 100220220210001 is 100012022022001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20062650348225 + 80157569861776 = 4479135^2 + 8953076^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220220210001 - 217 = 100220220078929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220220210701) 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, 16055783520 + ... + 16055789761.

It is an arithmetic number, because the mean of its divisors is an integer number (25063082946601).

Almost surely, 2100220220210001 is an apocalyptic number.

It is an amenable number.

100220220210001 is a deficient number, since it is larger than the sum of its proper divisors (32111576403).

100220220210001 is an equidigital number, since it uses as much as digits as its factorization.

100220220210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32111576402.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100220220210001 its reverse (100012022022001), we get a palindrome (200232242232002).

The spelling of 100220220210001 in words is "one hundred trillion, two hundred twenty billion, two hundred twenty million, two hundred ten thousand, one".

Divisors: 1 3121 32111573281 100220220210001