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1021101031101 = 34343391824271
BaseRepresentation
bin11101101101111100101…
…11010011111010111101
310121121122021201212110110
432312332113103322331
5113212203330443401
62101030510500233
7133525556362104
oct16667627237275
93547567655413
101021101031101
11364056a03978
12145a90804679
137539bac5568
14375c8a5903b
151b863ebd9d6
hexedbe5d3ebd

1021101031101 has 16 divisors (see below), whose sum is σ = 1393451924480. Its totient is φ = 664749393840.

The previous prime is 1021101031087. The next prime is 1021101031133. The reversal of 1021101031101 is 1011301011201.

It is not a de Polignac number, because 1021101031101 - 27 = 1021101030973 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 (1021101051101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352405 + ... + 1471866.

It is an arithmetic number, because the mean of its divisors is an integer number (87090745280).

Almost surely, 21021101031101 is an apocalyptic number.

It is an amenable number.

1021101031101 is a deficient number, since it is larger than the sum of its proper divisors (372350893379).

1021101031101 is a wasteful number, since it uses less digits than its factorization.

1021101031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828656.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1021101031101 its reverse (1011301011201), we get a palindrome (2032402042302).

The spelling of 1021101031101 in words is "one trillion, twenty-one billion, one hundred one million, thirty-one thousand, one hundred one".

Divisors: 1 3 43 129 4339 13017 186577 559731 1824271 5472813 78443653 235330959 7915511869 23746535607 340367010367 1021101031101