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1111222200000 = 26355111011667
BaseRepresentation
bin10000001010111010000…
…000010010011011000000
310221020020222121121001210
4100022322000102123000
5121201240340400000
62210253300130120
7143166056565543
oct20127200223300
93836228547053
101111222200000
113992a2a64a50
1215b442096940
1380a31a607c3
143bad7a9885a
151dd8acd2350
hex102ba0126c0

1111222200000 has 672 divisors, whose sum is σ = 4051104212736. Its totient is φ = 266560000000.

The previous prime is 1111222199987. The next prime is 1111222200019. The reversal of 1111222200000 is 22221111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 666599167 + ... + 666600833.

It is an arithmetic number, because the mean of its divisors is an integer number (6028428888).

Almost surely, 21111222200000 is an apocalyptic number.

1111222200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111222200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025552106368).

1111222200000 is an abundant number, since it is smaller than the sum of its proper divisors (2939882012736).

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

1111222200000 is a wasteful number, since it uses less digits than its factorization.

1111222200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1111222200000 its reverse (22221111), we get a palindrome (1111244421111).

The spelling of 1111222200000 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred thousand".