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1020222101101 = 7145746014443
BaseRepresentation
bin11101101100010011111…
…10011101011001101101
310121112101000212121011111
432312021332131121231
5113203403324213401
62100403352152021
7133465024530010
oct16661176353155
93545330777144
101020222101101
11363745862845
12145886398611
137528b998338
1437544025377
151b811c54e51
hexed89f9d66d

1020222101101 has 4 divisors (see below), whose sum is σ = 1165968115552. Its totient is φ = 874476086652.

The previous prime is 1020222101077. The next prime is 1020222101123. The reversal of 1020222101101 is 1011012220201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020222101101 - 213 = 1020222092909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020222131101) 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, 72873007215 + ... + 72873007228.

It is an arithmetic number, because the mean of its divisors is an integer number (291492028888).

Almost surely, 21020222101101 is an apocalyptic number.

It is an amenable number.

1020222101101 is a deficient number, since it is larger than the sum of its proper divisors (145746014451).

1020222101101 is an equidigital number, since it uses as much as digits as its factorization.

1020222101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145746014450.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020222101101 its reverse (1011012220201), we get a palindrome (2031234321302).

The spelling of 1020222101101 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred one thousand, one hundred one".

Divisors: 1 7 145746014443 1020222101101