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10101031002021 = 3193130313388833
BaseRepresentation
bin1001001011111101010001…
…0111010101111110100101
31022202122112012212220222010
42102333110113111332211
52310443402414031041
633252203302024433
72061526651604511
oct222772427257645
938678465786863
1010101031002021
113244906738203
121171792a18119
135836a543b21b
1426cc6d08b141
15127b3e934a16
hex92fd45d5fa5

10101031002021 has 16 divisors (see below), whose sum is σ = 13548214679936. Its totient is φ = 6693987557376.

The previous prime is 10101031002001. The next prime is 10101031002061. The reversal of 10101031002021 is 12020013010101.

It is not a de Polignac number, because 10101031002021 - 214 = 10101030985637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101031001988 and 10101031002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101031002001) 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, 5939980 + ... + 7448853.

It is an arithmetic number, because the mean of its divisors is an integer number (846763417496).

Almost surely, 210101031002021 is an apocalyptic number.

It is an amenable number.

10101031002021 is a deficient number, since it is larger than the sum of its proper divisors (3447183677915).

10101031002021 is a wasteful number, since it uses less digits than its factorization.

10101031002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13390332.

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

Adding to 10101031002021 its reverse (12020013010101), we get a palindrome (22121044012122).

The spelling of 10101031002021 in words is "ten trillion, one hundred one billion, thirty-one million, two thousand, twenty-one".

Divisors: 1 3 193 579 1303 3909 251479 754437 13388833 40166499 2584044769 7752134307 17445649399 52336948197 3367010334007 10101031002021