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1220101000022 = 2610050500011
BaseRepresentation
bin10001110000010011101…
…011111100101101010110
311022122021221021201012202
4101300103223330231112
5124442231324000042
62332301234444502
7154102145245442
oct21602353745526
94278257251182
101220101000022
1143049522aa03
12178569433732
138b093b96368
14430a5dc1822
1521b0e757632
hex11c13afcb56

1220101000022 has 4 divisors (see below), whose sum is σ = 1830151500036. Its totient is φ = 610050500010.

The previous prime is 1220101000009. The next prime is 1220101000039. The reversal of 1220101000022 is 2200001010221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220100999967 and 1220101000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305025250004 + ... + 305025250007.

It is an arithmetic number, because the mean of its divisors is an integer number (457537875009).

Almost surely, 21220101000022 is an apocalyptic number.

1220101000022 is a deficient number, since it is larger than the sum of its proper divisors (610050500014).

1220101000022 is an equidigital number, since it uses as much as digits as its factorization.

1220101000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610050500013.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220101000022 its reverse (2200001010221), we get a palindrome (3420102010243).

The spelling of 1220101000022 in words is "one trillion, two hundred twenty billion, one hundred one million, twenty-two", and thus it is an aban number.

Divisors: 1 2 610050500011 1220101000022