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30212121101001 = 372860435029567
BaseRepresentation
bin1101101111010010011101…
…01111110000001011001001
310221222020202122222011200020
412313221032233300023021
512424443411000213001
6144131131250331053
76235516345115130
oct667511657601311
9127866678864606
1030212121101001
1196989858078a4
12347b38a289a89
1313b1cb5a14028
147663bb1b0917
15375d47440736
hex1b7a4ebf02c9

30212121101001 has 16 divisors (see below), whose sum is σ = 46037687967744. Its totient is φ = 17264005413264.

The previous prime is 30212121100999. The next prime is 30212121101023. The reversal of 30212121101001 is 10010112121203.

It is not a de Polignac number, because 30212121101001 - 21 = 30212121100999 is a prime.

It is a super-2 number, since 2×302121211010012 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30212121101401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3492120 + ... + 8521686.

It is an arithmetic number, because the mean of its divisors is an integer number (2877355497984).

Almost surely, 230212121101001 is an apocalyptic number.

It is an amenable number.

30212121101001 is a deficient number, since it is larger than the sum of its proper divisors (15825566866743).

30212121101001 is a wasteful number, since it uses less digits than its factorization.

30212121101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315620.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 30212121101001 its reverse (10010112121203), we get a palindrome (40222233222204).

The spelling of 30212121101001 in words is "thirty trillion, two hundred twelve billion, one hundred twenty-one million, one hundred one thousand, one".

Divisors: 1 3 7 21 286043 858129 2002301 5029567 6006903 15088701 35206969 105620907 1438672433381 4316017300143 10070707033667 30212121101001