20012011210102 has 16 divisors (see below), whose sum is σ = 31784370661152. Its totient is φ = 9417242773120.

The previous prime is 20012011210099. The next prime is 20012011210129. The reversal of 20012011210102 is 20101211021002.

It is a super-2 number, since 2×20012011210102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572113 + ... + 7265260.

It is an arithmetic number, because the mean of its divisors is an integer number (1986523166322).

Almost surely, 2^{20012011210102} is an apocalyptic number.

20012011210102 is a deficient number, since it is larger than the sum of its proper divisors (11772359451050).

20012011210102 is a wasteful number, since it uses less digits than its factorization.

20012011210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891703.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20012011210102 its reverse (20101211021002), we get a palindrome (40113222231104).

The spelling of 20012011210102 in words is "twenty trillion, twelve billion, eleven million, two hundred ten thousand, one hundred two".