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10021211021001 = 310930645905263
BaseRepresentation
bin1001000111010011111010…
…1110010001111011001001
31022111000111102111202120210
42101310332232101323021
52303141420010133001
633151403014511333
72053002644140545
oct221647656217311
938430442452523
1010021211021001
113213a76407044
12115a217365549
13578cc46b5b1b
1426905a1b2a25
15125a1c174dd6
hex91d3eb91ec9

10021211021001 has 8 divisors (see below), whose sum is σ = 13484198316160. Its totient is φ = 6619515536592.

The previous prime is 10021211020993. The next prime is 10021211021021. The reversal of 10021211021001 is 10012011212001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10021211021001 - 23 = 10021211020993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021211021021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15322952305 + ... + 15322952958.

It is an arithmetic number, because the mean of its divisors is an integer number (1685524789520).

Almost surely, 210021211021001 is an apocalyptic number.

It is an amenable number.

10021211021001 is a deficient number, since it is larger than the sum of its proper divisors (3462987295159).

10021211021001 is a wasteful number, since it uses less digits than its factorization.

10021211021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30645905375.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10021211021001 its reverse (10012011212001), we get a palindrome (20033222233002).

The spelling of 10021211021001 in words is "ten trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, one".

Divisors: 1 3 109 327 30645905263 91937715789 3340403673667 10021211021001