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1001222001022 = 2500611000511
BaseRepresentation
bin11101001000111010111…
…10110101000101111110
310112201022212211111202011
432210131132311011332
5112401000313013042
62043542142121434
7132223133406145
oct16443536650576
93481285744664
101001222001022
113566857993a1
1214206328027a
13735514c4179
143666086275c
151b09db9aa17
hexe91d7b517e

1001222001022 has 4 divisors (see below), whose sum is σ = 1501833001536. Its totient is φ = 500611000510.

The previous prime is 1001222001007. The next prime is 1001222001053. The reversal of 1001222001022 is 2201002221001.

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 = 1001222000993 and 1001222001011.

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, 250305500254 + ... + 250305500257.

It is an arithmetic number, because the mean of its divisors is an integer number (375458250384).

Almost surely, 21001222001022 is an apocalyptic number.

1001222001022 is a deficient number, since it is larger than the sum of its proper divisors (500611000514).

1001222001022 is an equidigital number, since it uses as much as digits as its factorization.

1001222001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500611000513.

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

Adding to 1001222001022 its reverse (2201002221001), we get a palindrome (3202224222023).

The spelling of 1001222001022 in words is "one trillion, one billion, two hundred twenty-two million, one thousand, twenty-two".

Divisors: 1 2 500611000511 1001222001022