101220111201010 has 16 divisors (see below), whose sum is σ = 182196315824256. Its totient is φ = 40488018777648.

The previous prime is 101220111200933. The next prime is 101220111201023. The reversal of 101220111201010 is 10102111022101.

It is a happy number.

It is a super-3 number, since 3×101220111201010³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25822039 + ... + 29482501.

It is an arithmetic number, because the mean of its divisors is an integer number (11387269739016).

Almost surely, 2^{101220111201010} is an apocalyptic number.

101220111201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220111201010 is a deficient number, since it is larger than the sum of its proper divisors (80976204623246).

101220111201010 is a wasteful number, since it uses less digits than its factorization.

101220111201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425697.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101220111201010 its reverse (10102111022101), we get a palindrome (111322222223111).

The spelling of 101220111201010 in words is "one hundred one trillion, two hundred twenty billion, one hundred eleven million, two hundred one thousand, ten".