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BaseRepresentation
bin11101101100010011110…
…10010000110100111110
310121112100221210201010211
432312021322100310332
5113203403034013042
62100403312423034
7133465012265536
oct16661172206476
93545327721124
101020221001022
11363745181293
12145885b47a7a
137528b6a16c2
1437543c1a4c6
hexed89e90d3e

1020221001022 has 8 divisors (see below), whose sum is σ = 1583101553400. Its totient is φ = 492520483224.

The previous prime is 1020221001017. The next prime is 1020221001029. The reversal of 1020221001022 is 2201001220201.

Adding to 1020221001022 its reverse (2201001220201), we get a palindrome (3221222221223).

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020221000993 and 1020221001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221001029) 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, 8795008572 + ... + 8795008687.

It is an arithmetic number, because the mean of its divisors is an integer number (197887694175).

Almost surely, 21020221001022 is an apocalyptic number.

1020221001022 is a deficient number, since it is larger than the sum of its proper divisors (562880552378).

1020221001022 is a wasteful number, since it uses less digits than its factorization.

1020221001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590017290.

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

The spelling of 1020221001022 in words is "one trillion, twenty billion, two hundred twenty-one million, one thousand, twenty-two".