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211021201010 = 2521102120101
BaseRepresentation
bin1100010010000111010…
…1111111111001110010
3202011200102121201001102
43010201311333321302
511424132411413020
6240535232404402
721150205420244
oct3044165777162
9664612551042
10211021201010
1181547a6a694
1234a926a6702
1316b8c75a7a9
14a2dbb10094
155750d00475
hex3121d7fe72

211021201010 has 8 divisors (see below), whose sum is σ = 379838161836. Its totient is φ = 84408480400.

The previous prime is 211021200983. The next prime is 211021201033. The reversal of 211021201010 is 10102120112.

It can be written as a sum of positive squares in 2 ways, for example, as 202290354289 + 8730846721 = 449767^2 + 93439^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 211021200982 and 211021201000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10551060041 + ... + 10551060060.

Almost surely, 2211021201010 is an apocalyptic number.

211021201010 is a deficient number, since it is larger than the sum of its proper divisors (168816960826).

211021201010 is a wasteful number, since it uses less digits than its factorization.

211021201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21102120108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211021201010 its reverse (10102120112), we get a palindrome (221123321122).

The spelling of 211021201010 in words is "two hundred eleven billion, twenty-one million, two hundred one thousand, ten".

Divisors: 1 2 5 10 21102120101 42204240202 105510600505 211021201010