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1021211331332 = 221811140973403
BaseRepresentation
bin11101101110001001111…
…00000100101100000100
310121121220222021200221012
432313010330010230010
5113212420100100312
62101045450541352
7133531366044113
oct16670474045404
93547828250835
101021211331332
113641031a0095
12145b01737858
13753b890447a
14375d956bc7a
151b86da0a322
hexedc4f04b04

1021211331332 has 12 divisors (see below), whose sum is σ = 1788106656336. Its totient is φ = 510323715240.

The previous prime is 1021211331319. The next prime is 1021211331359. The reversal of 1021211331332 is 2331331121201.

It is a junction number, because it is equal to n+sod(n) for n = 1021211331298 and 1021211331307.

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, 70479458 + ... + 70493945.

It is an arithmetic number, because the mean of its divisors is an integer number (149008888028).

Almost surely, 21021211331332 is an apocalyptic number.

It is an amenable number.

1021211331332 is a deficient number, since it is larger than the sum of its proper divisors (766895325004).

1021211331332 is a wasteful number, since it uses less digits than its factorization.

1021211331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140975218 (or 140975216 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1021211331332 its reverse (2331331121201), we get a palindrome (3352542452533).

The spelling of 1021211331332 in words is "one trillion, twenty-one billion, two hundred eleven million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 1811 3622 7244 140973403 281946806 563893612 255302832833 510605665666 1021211331332