2001022010102 has 8 divisors (see below), whose sum is σ = 3003548824200.
Its totient is φ = 999839068704.
The previous prime is 2001022010087. The next prime is 2001022010129. The reversal of 2001022010102 is 2010102201002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
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, 335964452 + ... + 335970407.
It is an arithmetic number, because the mean of its divisors is an integer number (375443603025).
Almost surely, 22001022010102 is an apocalyptic number.
2001022010102 is a deficient number, since it is larger than the sum of its proper divisors (1002526814098).
2001022010102 is a wasteful number, since it uses less digits than its factorization.
2001022010102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671936350.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 2001022010102 its reverse (2010102201002), we get a palindrome (4011124211104).
The spelling of 2001022010102 in words is "two trillion, one billion, twenty-two million, ten thousand, one hundred two".