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1220021141101 = 78915531260979
BaseRepresentation
bin10001110000001110111…
…011010011111001101101
311022122002101000110100221
4101300032323103321231
5124442100403003401
62332245303051341
7154100155410550
oct21601673237155
94278071013327
101220021141101
114304541457a4
12178546740b51
138b080485269
1443099554697
1521b077307a1
hex11c0eed3e6d

1220021141101 has 16 divisors (see below), whose sum is σ = 1410885302400. Its totient is φ = 1033315987968.

The previous prime is 1220021141099. The next prime is 1220021141107. The reversal of 1220021141101 is 1011411200221.

It is a cyclic number.

It is not a de Polignac number, because 1220021141101 - 21 = 1220021141099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220021141107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337030 + ... + 1598008.

It is an arithmetic number, because the mean of its divisors is an integer number (88180331400).

Almost surely, 21220021141101 is an apocalyptic number.

It is an amenable number.

1220021141101 is a deficient number, since it is larger than the sum of its proper divisors (190864161299).

1220021141101 is a wasteful number, since it uses less digits than its factorization.

1220021141101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262628.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1220021141101 its reverse (1011411200221), we get a palindrome (2231432341322).

The spelling of 1220021141101 in words is "one trillion, two hundred twenty billion, twenty-one million, one hundred forty-one thousand, one hundred one".

Divisors: 1 7 89 623 1553 10871 138217 967519 1260979 8826853 112227131 785589917 1958300387 13708102709 174288734443 1220021141101