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11021021121110 = 25721113437389563
BaseRepresentation
bin1010000001100000100000…
…0011001000101001010110
31110000121011220121021101112
42200120020003020221112
52421032022401333420
635234553123055022
72215146114566600
oct240301003105126
943017156537345
1011021021121110
113569a97118380
12129bb45811472
1361c37c522660
142a15c5306170
15141a36dc98c5
hexa06080c8a56

11021021121110 has 768 divisors, whose sum is σ = 28488045358080. Its totient is φ = 3015027671040.

The previous prime is 11021021121041. The next prime is 11021021121133. The reversal of 11021021121110 is 1112112012011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 19575525689 + ... + 19575526251.

It is an arithmetic number, because the mean of its divisors is an integer number (37093809060).

Almost surely, 211021021121110 is an apocalyptic number.

11021021121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021021121110 is an abundant number, since it is smaller than the sum of its proper divisors (17467024236970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021021121110 is a wasteful number, since it uses less digits than its factorization.

11021021121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021021121110 its reverse (1112112012011), we get a palindrome (12133133133121).

The spelling of 11021021121110 in words is "eleven trillion, twenty-one billion, twenty-one million, one hundred twenty-one thousand, one hundred ten".