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2021211021010 = 25911221867291
BaseRepresentation
bin11101011010011001100…
…100001001111011010010
321011020002200010100201211
4131122121210021323102
5231103420010133020
64144310450450334
7266012331131326
oct35323144117322
97136080110654
102021211021010
1170a210a23915
122878835939aa
131187a3ac198c
146db81933986
153789a20e85a
hex1d699909ed2

2021211021010 has 16 divisors (see below), whose sum is σ = 3642173465472. Its totient is φ = 807596935600.

The previous prime is 2021211020993. The next prime is 2021211021043. The reversal of 2021211021010 is 101201121202.

It is a super-2 number, since 2×20212110210102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110924536 + ... + 110942755.

It is an arithmetic number, because the mean of its divisors is an integer number (227635841592).

Almost surely, 22021211021010 is an apocalyptic number.

2021211021010 is a deficient number, since it is larger than the sum of its proper divisors (1620962444462).

2021211021010 is a wasteful number, since it uses less digits than its factorization.

2021211021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221868209.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021211021010 its reverse (101201121202), we get a palindrome (2122412142212).

The spelling of 2021211021010 in words is "two trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, ten".

Divisors: 1 2 5 10 911 1822 4555 9110 221867291 443734582 1109336455 2218672910 202121102101 404242204202 1010605510505 2021211021010