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2021211001010 = 25202121100101
BaseRepresentation
bin11101011010011001100…
…100000101000010110010
321011020002200002100022002
4131122121210011002302
5231103420004013020
64144310450214002
7266012331016115
oct35323144050262
97136080070262
102021211001010
1170a210a0a893
12287883584302
131187a3ab5846
146db8192a57c
153789a208975
hex1d6999050b2

2021211001010 has 8 divisors (see below), whose sum is σ = 3638179801836. Its totient is φ = 808484400400.

The previous prime is 2021211000997. The next prime is 2021211001091. The reversal of 2021211001010 is 101001121202.

It can be written as a sum of positive squares in 2 ways, for example, as 1939632787849 + 81578213161 = 1392707^2 + 285619^2 .

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 = 2021211000982 and 2021211001000.

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, 101060550041 + ... + 101060550060.

Almost surely, 22021211001010 is an apocalyptic number.

2021211001010 is a deficient number, since it is larger than the sum of its proper divisors (1616968800826).

2021211001010 is a wasteful number, since it uses less digits than its factorization.

2021211001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202121100108.

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

Adding to 2021211001010 its reverse (101001121202), we get a palindrome (2122212122212).

The spelling of 2021211001010 in words is "two trillion, twenty-one billion, two hundred eleven million, one thousand, ten".

Divisors: 1 2 5 10 202121100101 404242200202 1010605500505 2021211001010