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1011012020211 = 32379185472761
BaseRepresentation
bin11101011011001010000…
…00110010011111110011
310120122121011111000100110
432231211000302133303
5113031023034121321
62052241424152403
7133020551244144
oct16554500623763
93518534430313
101011012020211
1135a849a23746
12143b35a68703
137445184142b
1436d0cb65acb
151b4733cc176
hexeb650327f3

1011012020211 has 16 divisors (see below), whose sum is σ = 1424430812160. Its totient is φ = 636542512320.

The previous prime is 1011012020203. The next prime is 1011012020237. The reversal of 1011012020211 is 1120202101101.

It is not a de Polignac number, because 1011012020211 - 23 = 1011012020203 is a prime.

It is a super-2 number, since 2×10110120202112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011012020251) 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, 92730930 + ... + 92741831.

It is an arithmetic number, because the mean of its divisors is an integer number (89026925760).

Almost surely, 21011012020211 is an apocalyptic number.

1011012020211 is a deficient number, since it is larger than the sum of its proper divisors (413418791949).

1011012020211 is a wasteful number, since it uses less digits than its factorization.

1011012020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185472866.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011012020211 its reverse (1120202101101), we get a palindrome (2131214121312).

The spelling of 1011012020211 in words is "one trillion, eleven billion, twelve million, twenty thousand, two hundred eleven".

Divisors: 1 3 23 69 79 237 1817 5451 185472761 556418283 4265873503 12797620509 14652348119 43957044357 337004006737 1011012020211