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2010021210021 = 311223306789057
BaseRepresentation
bin11101001111111110100…
…110011010011110100101
321010011012211112001202210
4131033332212122132211
5230413010412210041
64135220242154033
7265135125245556
oct35177646323645
97104184461683
102010021210021
11705499632240
12285680052919
1311770c769946
146d3dd77432d
1537442b7a016
hex1d3fe99a7a5

2010021210021 has 32 divisors (see below), whose sum is σ = 2937768357888. Its totient is φ = 1212322890240.

The previous prime is 2010021209993. The next prime is 2010021210097. The reversal of 2010021210021 is 1200121200102.

It is not a de Polignac number, because 2010021210021 - 215 = 2010021177253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010021209979 and 2010021210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010021214021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22525525 + ... + 22614581.

It is an arithmetic number, because the mean of its divisors is an integer number (91805261184).

Almost surely, 22010021210021 is an apocalyptic number.

It is an amenable number.

2010021210021 is a deficient number, since it is larger than the sum of its proper divisors (927747147867).

2010021210021 is a wasteful number, since it uses less digits than its factorization.

2010021210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92361.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2010021210021 its reverse (1200121200102), we get a palindrome (3210142410123).

The spelling of 2010021210021 in words is "two trillion, ten billion, twenty-one million, two hundred ten thousand, twenty-one".

Divisors: 1 3 11 33 223 669 2453 3067 7359 9201 33737 89057 101211 267171 683941 979627 2051823 2938881 7523351 19859711 22570053 59579133 218456821 273137819 655370463 819413457 3004516009 9013548027 60909733637 182729200911 670007070007 2010021210021