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10220202111021 = 372916781941069
BaseRepresentation
bin1001010010111001001110…
…0001000011000000101101
31100012001010110100111202220
42110232103201003000231
52314421433220023041
633423032424305553
72103246064404210
oct224562341030055
940161113314686
1010220202111021
1132903aa719241
1211908b10122b9
135919b7998436
142749362a7777
1512acb6c57d66
hex94b9384302d

10220202111021 has 16 divisors (see below), whose sum is σ = 16110663427200. Its totient is φ = 5638732198848.

The previous prime is 10220202111013. The next prime is 10220202111043. The reversal of 10220202111021 is 12011120202201.

It is not a de Polignac number, because 10220202111021 - 23 = 10220202111013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220202111221) 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, 8390969926 + ... + 8390971143.

It is an arithmetic number, because the mean of its divisors is an integer number (1006916464200).

Almost surely, 210220202111021 is an apocalyptic number.

It is an amenable number.

10220202111021 is a deficient number, since it is larger than the sum of its proper divisors (5890461316179).

10220202111021 is a wasteful number, since it uses less digits than its factorization.

10220202111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16781941108.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10220202111021 its reverse (12011120202201), we get a palindrome (22231322313222).

The spelling of 10220202111021 in words is "ten trillion, two hundred twenty billion, two hundred two million, one hundred eleven thousand, twenty-one".

Divisors: 1 3 7 21 29 87 203 609 16781941069 50345823207 117473587483 352420762449 486676291001 1460028873003 3406734037007 10220202111021