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1111102210121 = 19314523127217
BaseRepresentation
bin10000001010110010110…
…110100100000001001001
310221012221121211110220012
4100022302312210001021
5121201014131210441
62210233332241305
7143163101646041
oct20126266440111
93835847743805
101111102210121
1139924125a862
1215b409a70235
1380a12c3b387
143bac5b82721
151dd804ce9eb
hex102b2da4049

1111102210121 has 8 divisors (see below), whose sum is σ = 1111932136224. Its totient is φ = 1110272551360.

The previous prime is 1111102210021. The next prime is 1111102210123. The reversal of 1111102210121 is 1210122011111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111102210121 - 214 = 1111102193737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111102210096 and 1111102210105.

It is not an unprimeable number, because it can be changed into a prime (1111102210123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670305 + ... + 8797521.

It is an arithmetic number, because the mean of its divisors is an integer number (138991517028).

Almost surely, 21111102210121 is an apocalyptic number.

It is an amenable number.

1111102210121 is a deficient number, since it is larger than the sum of its proper divisors (829926103).

1111102210121 is a wasteful number, since it uses less digits than its factorization.

1111102210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133671.

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

Adding to 1111102210121 its reverse (1210122011111), we get a palindrome (2321224221232).

The spelling of 1111102210121 in words is "one trillion, one hundred eleven billion, one hundred two million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 1931 4523 127217 8733913 245656027 575402491 1111102210121